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56536123 = 754114929
BaseRepresentation
bin1101011110101…
…0110000111011
310221101022222111
43113222300323
5103433123443
65335433151
71254356230
oct327526073
9127338874
1056536123
1129a05476
1216b257b7
13b936437
147719787
154e6b69d
hex35eac3b

56536123 has 8 divisors (see below), whose sum is σ = 64736480. Its totient is φ = 48366720.

The previous prime is 56536079. The next prime is 56536133. The reversal of 56536123 is 32163565.

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 56536123 - 217 = 56405051 is a prime.

It is a super-2 number, since 2×565361232 = 6392666407742258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56536133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3678 + ... + 11251.

It is an arithmetic number, because the mean of its divisors is an integer number (8092060).

Almost surely, 256536123 is an apocalyptic number.

56536123 is a deficient number, since it is larger than the sum of its proper divisors (8200357).

56536123 is a wasteful number, since it uses less digits than its factorization.

56536123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15477.

The product of its digits is 16200, while the sum is 31.

The square root of 56536123 is about 7519.0506714611. The cubic root of 56536123 is about 383.8032733462.

Adding to 56536123 its reverse (32163565), we get a palindrome (88699688).

The spelling of 56536123 in words is "fifty-six million, five hundred thirty-six thousand, one hundred twenty-three".

Divisors: 1 7 541 3787 14929 104503 8076589 56536123