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325031138 = 2198553451
BaseRepresentation
bin10011010111111…
…001010011100010
3211122121021220022
4103113321103202
51131201444023
652130313442
711024501435
oct2327712342
9748537808
10325031138
11157520783
1290a28882
1352453223
143124b81c
151d8057c8
hex135f94e2

325031138 has 8 divisors (see below), whose sum is σ = 513207120. Its totient is φ = 153962100.

The previous prime is 325031131. The next prime is 325031173. The reversal of 325031138 is 831130523.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (325031131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4276688 + ... + 4276763.

It is an arithmetic number, because the mean of its divisors is an integer number (64150890).

Almost surely, 2325031138 is an apocalyptic number.

325031138 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

325031138 is a deficient number, since it is larger than the sum of its proper divisors (188175982).

325031138 is a wasteful number, since it uses less digits than its factorization.

325031138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8553472.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 325031138 is about 18028.6199693709. The cubic root of 325031138 is about 687.5563902176.

The spelling of 325031138 in words is "three hundred twenty-five million, thirty-one thousand, one hundred thirty-eight".

Divisors: 1 2 19 38 8553451 17106902 162515569 325031138