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56364031 is a prime number
BaseRepresentation
bin1101011100000…
…0101111111111
310221001120220201
43113000233333
5103412122111
65332024331
71253041423
oct327005777
9127046821
1056364031
11298a8149
1216a620a7
13b8a5cc9
1476b2b83
154e356c1
hex35c0bff

56364031 has 2 divisors, whose sum is σ = 56364032. Its totient is φ = 56364030.

The previous prime is 56364029. The next prime is 56364037. The reversal of 56364031 is 13046365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56364031 - 21 = 56364029 is a prime.

It is a super-2 number, since 2×563640312 = 6353807981137922, which contains 22 as substring.

Together with 56364029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56364037) 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, 28182015 + 28182016.

It is an arithmetic number, because the mean of its divisors is an integer number (28182016).

Almost surely, 256364031 is an apocalyptic number.

56364031 is the 3358-th centered decagonal number.

56364031 is a deficient number, since it is larger than the sum of its proper divisors (1).

56364031 is an equidigital number, since it uses as much as digits as its factorization.

56364031 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 28.

The square root of 56364031 is about 7507.5982178057. The cubic root of 56364031 is about 383.4134541202.

The spelling of 56364031 in words is "fifty-six million, three hundred sixty-four thousand, thirty-one".