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1024145320 = 235112327603
BaseRepresentation
bin111101000010110…
…011011110101000
32122101002222021011
4331002303132220
54044140122240
6245342553304
734244043262
oct7502633650
92571088234
101024145320
114861155a0
12246b98834
13134242363
149a034b32
155eda06ea
hex3d0b37a8

1024145320 has 32 divisors (see below), whose sum is σ = 2513812320. Its totient is φ = 372416320.

The previous prime is 1024145261. The next prime is 1024145321. The reversal of 1024145320 is 235414201.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1024145291 and 1024145300.

It is not an unprimeable number, because it can be changed into a prime (1024145321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1163362 + ... + 1164241.

It is an arithmetic number, because the mean of its divisors is an integer number (78556635).

Almost surely, 21024145320 is an apocalyptic number.

1024145320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1024145320 is an abundant number, since it is smaller than the sum of its proper divisors (1489667000).

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

1024145320 is a wasteful number, since it uses less digits than its factorization.

1024145320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327625 (or 2327621 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1024145320 is about 32002.2705444473. The cubic root of 1024145320 is about 1007.9845177978.

Adding to 1024145320 its reverse (235414201), we get a palindrome (1259559521).

The spelling of 1024145320 in words is "one billion, twenty-four million, one hundred forty-five thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 2327603 4655206 9310412 11638015 18620824 23276030 25603633 46552060 51207266 93104120 102414532 128018165 204829064 256036330 512072660 1024145320