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56338031 is a prime number
BaseRepresentation
bin1101011011101…
…0011001101111
310221000021020202
43112322121233
5103410304111
65331304115
71252602551
oct326723157
9127007222
1056338031
112988a662
1216a4b03b
13b897219
1476a74d1
154e2cb3b
hex35ba66f

56338031 has 2 divisors, whose sum is σ = 56338032. Its totient is φ = 56338030.

The previous prime is 56338027. The next prime is 56338033. The reversal of 56338031 is 13083365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56338031 - 22 = 56338027 is a prime.

It is a super-2 number, since 2×563380312 = 6347947473913922, which contains 22 as substring.

Together with 56338033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 56337985 and 56338003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56338033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28169015 + 28169016.

It is an arithmetic number, because the mean of its divisors is an integer number (28169016).

Almost surely, 256338031 is an apocalyptic number.

56338031 is a deficient number, since it is larger than the sum of its proper divisors (1).

56338031 is an equidigital number, since it uses as much as digits as its factorization.

56338031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 56338031 is about 7505.8664389929. The cubic root of 56338031 is about 383.3544904937.

The spelling of 56338031 in words is "fifty-six million, three hundred thirty-eight thousand, thirty-one".