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56826031 = 232470697
BaseRepresentation
bin1101100011000…
…1100010101111
310221221001122211
43120301202233
5104021413111
65345551251
71260004363
oct330614257
9127831584
1056826031
112a093269
1217045527
13ba08392
1477932a3
154ec7521
hex36318af

56826031 has 4 divisors (see below), whose sum is σ = 59296752. Its totient is φ = 54355312.

The previous prime is 56826013. The next prime is 56826059. The reversal of 56826031 is 13062865.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56826031 - 25 = 56825999 is a prime.

It is a super-2 number, since 2×568260312 = 6458395598425922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56825984 and 56826002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56826061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1235326 + ... + 1235371.

It is an arithmetic number, because the mean of its divisors is an integer number (14824188).

Almost surely, 256826031 is an apocalyptic number.

56826031 is a deficient number, since it is larger than the sum of its proper divisors (2470721).

56826031 is a wasteful number, since it uses less digits than its factorization.

56826031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470720.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 56826031 is about 7538.3042522838. The cubic root of 56826031 is about 384.4581820194.

Adding to 56826031 its reverse (13062865), we get a palindrome (69888896).

The spelling of 56826031 in words is "fifty-six million, eight hundred twenty-six thousand, thirty-one".

Divisors: 1 23 2470697 56826031