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51596431 = 314338707
BaseRepresentation
bin1100010011010…
…0110010001111
310121002100222221
43010310302033
5101202041211
65041520211
71164363625
oct304646217
9117070887
1051596431
1127141187
1215343067
13a8c6c43
146bd1515
1547e2c71
hex3134c8f

51596431 has 8 divisors (see below), whose sum is σ = 54500864. Its totient is φ = 48769560.

The previous prime is 51596399. The next prime is 51596437. The reversal of 51596431 is 13469515.

51596431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 51596431 - 25 = 51596399 is a prime.

It is a super-2 number, since 2×515964312 = 5324383383875522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51596437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18021 + ... + 20686.

It is an arithmetic number, because the mean of its divisors is an integer number (6812608).

Almost surely, 251596431 is an apocalyptic number.

51596431 is a deficient number, since it is larger than the sum of its proper divisors (2904433).

51596431 is a wasteful number, since it uses less digits than its factorization.

51596431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38781.

The product of its digits is 16200, while the sum is 34.

The square root of 51596431 is about 7183.0655711889. The cubic root of 51596431 is about 372.2830134253.

The spelling of 51596431 in words is "fifty-one million, five hundred ninety-six thousand, four hundred thirty-one".

Divisors: 1 31 43 1333 38707 1199917 1664401 51596431