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504252531 = 32389144031
BaseRepresentation
bin11110000011100…
…100100001110011
31022010211200102200
4132003210201303
52013042040111
6122011514243
715332034666
oct3603444163
91263750380
10504252531
11239701432
12120a58983
13806138a3
144ad816dd
152e408256
hex1e0e4873

504252531 has 12 divisors (see below), whose sum is σ = 730242240. Its totient is φ = 335301840.

The previous prime is 504252517. The next prime is 504252559. The reversal of 504252531 is 135252405.

It is a happy number.

It is not a de Polignac number, because 504252531 - 26 = 504252467 is a prime.

It is a super-2 number, since 2×5042525312 = 508541230039811922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 504252495 and 504252504.

It is not an unprimeable number, because it can be changed into a prime (504252031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68515 + ... + 75516.

It is an arithmetic number, because the mean of its divisors is an integer number (60853520).

Almost surely, 2504252531 is an apocalyptic number.

504252531 is a deficient number, since it is larger than the sum of its proper divisors (225989709).

504252531 is a wasteful number, since it uses less digits than its factorization.

504252531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144426 (or 144423 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 504252531 is about 22455.5679286898. The cubic root of 504252531 is about 795.9443341080.

The spelling of 504252531 in words is "five hundred four million, two hundred fifty-two thousand, five hundred thirty-one".

Divisors: 1 3 9 389 1167 3501 144031 432093 1296279 56028059 168084177 504252531