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1020031296 = 2635312663
BaseRepresentation
bin111100110011000…
…111000101000000
32122002100221212220
4330303013011000
54042112000141
6245114451040
734164060114
oct7463070500
92562327786
101020031296
11483865679
12245733a80
1313343191b
1499683744
155e83b766
hex3ccc7140

1020031296 has 28 divisors (see below), whose sum is σ = 2698833312. Its totient is φ = 340010368.

The previous prime is 1020031291. The next prime is 1020031303. The reversal of 1020031296 is 6921300201.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020031291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2656140 + ... + 2656523.

It is an arithmetic number, because the mean of its divisors is an integer number (96386904).

Almost surely, 21020031296 is an apocalyptic number.

1020031296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1020031296 is an abundant number, since it is smaller than the sum of its proper divisors (1678802016).

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

1020031296 is an equidigital number, since it uses as much as digits as its factorization.

1020031296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5312678 (or 5312668 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1020031296 is about 31937.9287994698. The cubic root of 1020031296 is about 1006.6330046392.

Adding to 1020031296 its reverse (6921300201), we get a palindrome (7941331497).

The spelling of 1020031296 in words is "one billion, twenty million, thirty-one thousand, two hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 5312663 10625326 15937989 21250652 31875978 42501304 63751956 85002608 127503912 170005216 255007824 340010432 510015648 1020031296