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56006025 = 352746747
BaseRepresentation
bin1101010110100…
…1010110001001
310220101101211020
43111221112021
5103314143100
65320223053
71250020605
oct325512611
9126341736
1056006025
1129683179
121690aa89
13b7ac07a
14761c505
154db45a0
hex3569589

56006025 has 12 divisors (see below), whose sum is σ = 92596752. Its totient is φ = 29869840.

The previous prime is 56006021. The next prime is 56006033. The reversal of 56006025 is 52060065.

56006025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56006025 - 22 = 56006021 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56005986 and 56006004.

It is not an unprimeable number, because it can be changed into a prime (56006021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 373299 + ... + 373448.

It is an arithmetic number, because the mean of its divisors is an integer number (7716396).

Almost surely, 256006025 is an apocalyptic number.

It is an amenable number.

56006025 is a deficient number, since it is larger than the sum of its proper divisors (36590727).

56006025 is a wasteful number, since it uses less digits than its factorization.

56006025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746760 (or 746755 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 56006025 is about 7483.7173249662. The cubic root of 56006025 is about 382.5999567891.

The spelling of 56006025 in words is "fifty-six million, six thousand, twenty-five".

Divisors: 1 3 5 15 25 75 746747 2240241 3733735 11201205 18668675 56006025