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531361304 = 2366420163
BaseRepresentation
bin11111101010111…
…110111000011000
31101000211221200022
4133222332320120
52042012030204
6124420530012
716111332215
oct3752767030
91330757608
10531361304
11252a37681
12129b50908
1386115896
14507dab0c
15319b05be
hex1fabee18

531361304 has 8 divisors (see below), whose sum is σ = 996302460. Its totient is φ = 265680648.

The previous prime is 531361279. The next prime is 531361307. The reversal of 531361304 is 403163135.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531361307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33210074 + ... + 33210089.

Almost surely, 2531361304 is an apocalyptic number.

It is an amenable number.

531361304 is a deficient number, since it is larger than the sum of its proper divisors (464941156).

531361304 is a wasteful number, since it uses less digits than its factorization.

531361304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66420169 (or 66420165 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 531361304 is about 23051.2755395444. The cubic root of 531361304 is about 809.9595082131.

The spelling of 531361304 in words is "five hundred thirty-one million, three hundred sixty-one thousand, three hundred four".

Divisors: 1 2 4 8 66420163 132840326 265680652 531361304