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56290525 = 525933797
BaseRepresentation
bin1101011010111…
…0110011011101
310220220212002021
43112232303131
5103402244100
65330300141
71252314214
oct326566335
9126825067
1056290525
11298579a5
1216a27651
13b87b705
14769407b
154e1da1a
hex35aecdd

56290525 has 12 divisors (see below), whose sum is σ = 69936372. Its totient is φ = 44944640.

The previous prime is 56290489. The next prime is 56290529. The reversal of 56290525 is 52509265.

It can be written as a sum of positive squares in 6 ways, for example, as 9326916 + 46963609 = 3054^2 + 6853^2 .

It is not a de Polignac number, because 56290525 - 215 = 56257757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56290529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12927 + ... + 16723.

It is an arithmetic number, because the mean of its divisors is an integer number (5828031).

Almost surely, 256290525 is an apocalyptic number.

It is an amenable number.

56290525 is a deficient number, since it is larger than the sum of its proper divisors (13645847).

56290525 is a wasteful number, since it uses less digits than its factorization.

56290525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4400 (or 4395 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 56290525 is about 7502.7011802417. The cubic root of 56290525 is about 383.2467080042.

The spelling of 56290525 in words is "fifty-six million, two hundred ninety thousand, five hundred twenty-five".

Divisors: 1 5 25 593 2965 3797 14825 18985 94925 2251621 11258105 56290525