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531351342 = 23229519519
BaseRepresentation
bin11111101010111…
…100011100101110
31101000211110000100
4133222330130232
52042011220332
6124420411530
716111261164
oct3752743456
91330743010
10531351342
11252a30145
12129b46ba6
13861111a2
14507d7234
15319ac67c
hex1fabc72e

531351342 has 12 divisors (see below), whose sum is σ = 1151261280. Its totient is φ = 177117108.

The previous prime is 531351323. The next prime is 531351367. The reversal of 531351342 is 243153135.

531351342 is a `hidden beast` number, since 5 + 313 + 5 + 1 + 342 = 666.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 14759742 + ... + 14759777.

It is an arithmetic number, because the mean of its divisors is an integer number (95938440).

Almost surely, 2531351342 is an apocalyptic number.

531351342 is an abundant number, since it is smaller than the sum of its proper divisors (619909938).

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

531351342 is a wasteful number, since it uses less digits than its factorization.

531351342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29519527 (or 29519524 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 531351342 is about 23051.0594550446. The cubic root of 531351342 is about 809.9544464551.

The spelling of 531351342 in words is "five hundred thirty-one million, three hundred fifty-one thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 18 29519519 59039038 88558557 177117114 265675671 531351342