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56740025 = 522269601
BaseRepresentation
bin1101100001110…
…0100010111001
310221202200200102
43120130202321
5104011140100
65344045145
71256165546
oct330344271
9127680612
1056740025
112a034691
12170037b5
13b9a81a4
14776dbcd
154eabcd5
hex361c8b9

56740025 has 6 divisors (see below), whose sum is σ = 70357662. Its totient is φ = 45392000.

The previous prime is 56740009. The next prime is 56740027. The reversal of 56740025 is 52004765.

56740025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 609961 + 56130064 = 781^2 + 7492^2 .

It is not a de Polignac number, because 56740025 - 24 = 56740009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56740025.

It is not an unprimeable number, because it can be changed into a prime (56740027) 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 5 ways as a sum of consecutive naturals, for example, 1134776 + ... + 1134825.

It is an arithmetic number, because the mean of its divisors is an integer number (11726277).

Almost surely, 256740025 is an apocalyptic number.

It is an amenable number.

56740025 is a deficient number, since it is larger than the sum of its proper divisors (13617637).

56740025 is a wasteful number, since it uses less digits than its factorization.

56740025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269611 (or 2269606 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 56740025 is about 7532.5974935609. The cubic root of 56740025 is about 384.2641253786.

The spelling of 56740025 in words is "fifty-six million, seven hundred forty thousand, twenty-five".

Divisors: 1 5 25 2269601 11348005 56740025