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1024397568 = 2832538389
BaseRepresentation
bin111101000011110…
…001000100000000
32122101120210021200
4331003301010000
54044221210233
6245352221200
734246143555
oct7503610400
92571523250
101024397568
11486278067
1224709a800
1313430010c
149a09ca2c
155ee00313
hex3d0f1100

1024397568 has 108 divisors (see below), whose sum is σ = 3009677580. Its totient is φ = 334983168.

The previous prime is 1024397567. The next prime is 1024397593. The reversal of 1024397568 is 8657934201.

1024397568 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 818417664 + 205979904 = 28608^2 + 14352^2 .

1024397568 is strictly pandigital in base 10.

It is not an unprimeable number, because it can be changed into a prime (1024397567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117918 + ... + 126306.

It is an arithmetic number, because the mean of its divisors is an integer number (27867385).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1024397568 = 2048795136, but 3⋅1024397568 = 3073192704 is not.

Almost surely, 21024397568 is an apocalyptic number.

1024397568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1024397568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1504838790).

1024397568 is an abundant number, since it is smaller than the sum of its proper divisors (1985280012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1024397568 is an equidigital number, since it uses as much as digits as its factorization.

1024397568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8464 (or 8447 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1024397568 is about 32006.2113971648. The cubic root of 1024397568 is about 1008.0672668640.

The spelling of 1024397568 in words is "one billion, twenty-four million, three hundred ninety-seven thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 53 64 72 96 106 128 144 159 192 212 256 288 318 384 424 477 576 636 768 848 954 1152 1272 1696 1908 2304 2544 3392 3816 5088 6784 7632 8389 10176 13568 15264 16778 20352 25167 30528 33556 40704 50334 61056 67112 75501 100668 122112 134224 151002 201336 268448 302004 402672 444617 536896 604008 805344 889234 1073792 1208016 1333851 1610688 1778468 2147584 2416032 2667702 3221376 3556936 4001553 4832064 5335404 6442752 7113872 8003106 9664128 10670808 14227744 16006212 19328256 21341616 28455488 32012424 42683232 56910976 64024848 85366464 113821952 128049696 170732928 256099392 341465856 512198784 1024397568