Search a number
-
+
56017625 = 53448141
BaseRepresentation
bin1101010110110…
…0001011011001
310220101222201212
43111230023121
5103320031000
65320352505
71250066456
oct325541331
9126358655
1056017625
1129690964
1216915735
13b7b4431
14762282d
154db7c35
hex356c2d9

56017625 has 8 divisors (see below), whose sum is σ = 69910152. Its totient is φ = 44814000.

The previous prime is 56017547. The next prime is 56017639. The reversal of 56017625 is 52671065.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2274064 + 53743561 = 1508^2 + 7331^2 .

It is a de Polignac number, because none of the positive numbers 2k-56017625 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56017591 and 56017600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223946 + ... + 224195.

It is an arithmetic number, because the mean of its divisors is an integer number (8738769).

Almost surely, 256017625 is an apocalyptic number.

It is an amenable number.

56017625 is a deficient number, since it is larger than the sum of its proper divisors (13892527).

56017625 is an equidigital number, since it uses as much as digits as its factorization.

56017625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448156 (or 448146 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 56017625 is about 7484.4923007509. The cubic root of 56017625 is about 382.6263697397.

The spelling of 56017625 in words is "fifty-six million, seventeen thousand, six hundred twenty-five".

Divisors: 1 5 25 125 448141 2240705 11203525 56017625