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318352823 = 412229827
BaseRepresentation
bin10010111110011…
…010110110110111
3211012000222222022
4102332122312313
51122444242243
651331223355
710613645225
oct2276326667
9735028868
10318352823
1115377a208
128a747b5b
1350c55569
14303cdb15
151ce36b68
hex12f9adb7

318352823 has 12 divisors (see below), whose sum is σ = 328128120. Its totient is φ = 308857920.

The previous prime is 318352813. The next prime is 318352831. The reversal of 318352823 is 328253813.

It is not a de Polignac number, because 318352823 - 26 = 318352759 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318352813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 384536 + ... + 385362.

It is an arithmetic number, because the mean of its divisors is an integer number (27344010).

Almost surely, 2318352823 is an apocalyptic number.

318352823 is a deficient number, since it is larger than the sum of its proper divisors (9775297).

318352823 is an equidigital number, since it uses as much as digits as its factorization.

318352823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 1097 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 318352823 is about 17842.4444233407. Note that the first 4 decimals coincide. The cubic root of 318352823 is about 682.8147621193.

The spelling of 318352823 in words is "three hundred eighteen million, three hundred fifty-two thousand, eight hundred twenty-three".

Divisors: 1 41 229 827 1681 9389 33907 189383 384949 1390187 7764703 318352823