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56371438 = 228185719
BaseRepresentation
bin1101011100001…
…0100011101110
310221001222002001
43113002203232
5103412341223
65332122514
71253102134
oct327024356
9127058061
1056371438
1129902772
1216a6643a
13b8a94a6
1476b5754
154e379ad
hex35c28ee

56371438 has 4 divisors (see below), whose sum is σ = 84557160. Its totient is φ = 28185718.

The previous prime is 56371429. The next prime is 56371451. The reversal of 56371438 is 83417365.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83417365 = 516683473.

It is a junction number, because it is equal to n+sod(n) for n = 56371397 and 56371406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14092858 + ... + 14092861.

It is an arithmetic number, because the mean of its divisors is an integer number (21139290).

Almost surely, 256371438 is an apocalyptic number.

56371438 is a deficient number, since it is larger than the sum of its proper divisors (28185722).

56371438 is a wasteful number, since it uses less digits than its factorization.

56371438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28185721.

The product of its digits is 60480, while the sum is 37.

The square root of 56371438 is about 7508.0915018399. The cubic root of 56371438 is about 383.4302486315.

The spelling of 56371438 in words is "fifty-six million, three hundred seventy-one thousand, four hundred thirty-eight".

Divisors: 1 2 28185719 56371438