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56120025 = 3521357559
BaseRepresentation
bin1101011000010…
…1001011011001
310220121012012110
43112011023121
5103331320100
65322502533
71251004143
oct326051331
9126535173
1056120025
1129750895
1216964a49
13b81bc20
14764bc93
154dd8250
hex35852d9

56120025 has 24 divisors (see below), whose sum is σ = 99924160. Its totient is φ = 27627840.

The previous prime is 56120011. The next prime is 56120039. The reversal of 56120025 is 52002165.

56120025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56120011) and next prime (56120039).

It is not a de Polignac number, because 56120025 - 25 = 56119993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56119983 and 56120010.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 27805 + ... + 29754.

Almost surely, 256120025 is an apocalyptic number.

It is an amenable number.

56120025 is a deficient number, since it is larger than the sum of its proper divisors (43804135).

56120025 is a wasteful number, since it uses less digits than its factorization.

56120025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57585 (or 57580 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 56120025 is about 7491.3299887270. The cubic root of 56120025 is about 382.8593743240.

The spelling of 56120025 in words is "fifty-six million, one hundred twenty thousand, twenty-five".

Divisors: 1 3 5 13 15 25 39 65 75 195 325 975 57559 172677 287795 748267 863385 1438975 2244801 3741335 4316925 11224005 18706675 56120025