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318252534 = 2372832
BaseRepresentation
bin10010111110000…
…010010111110110
3211011211220101220
4102332002113312
51122433040114
651325131210
710613046645
oct2276022766
9734756356
10318252534
11153710926
128a6b9b06
1350c1ba12
14303a535c
151ce170a9
hex12f825f6

318252534 has 12 divisors (see below), whose sum is σ = 636592476. Its totient is φ = 106069612.

The previous prime is 318252523. The next prime is 318252559. The reversal of 318252534 is 435252813.

It is a junction number, because it is equal to n+sod(n) for n = 318252495 and 318252504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40057 + ... + 47339.

It is an arithmetic number, because the mean of its divisors is an integer number (53049373).

Almost surely, 2318252534 is an apocalyptic number.

318252534 is an abundant number, since it is smaller than the sum of its proper divisors (318339942).

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

318252534 is an frugal number, since it uses more digits than its factorization.

318252534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14571 (or 7288 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 318252534 is about 17839.6337966899. The cubic root of 318252534 is about 682.7430534188.

The spelling of 318252534 in words is "three hundred eighteen million, two hundred fifty-two thousand, five hundred thirty-four".

Divisors: 1 2 3 6 7283 14566 21849 43698 53042089 106084178 159126267 318252534