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56501201 = 307184043
BaseRepresentation
bin1101011110001…
…0001111010001
310221022120002002
43113202033101
5103431014301
65335003345
71254152351
oct327421721
9127276062
1056501201
1129991209
1216b09555
13b923583
14770ab61
154e6116b
hex35e23d1

56501201 has 4 divisors (see below), whose sum is σ = 56685552. Its totient is φ = 56316852.

The previous prime is 56501143. The next prime is 56501213. The reversal of 56501201 is 10210565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56501201 - 214 = 56484817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56501261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91715 + ... + 92328.

It is an arithmetic number, because the mean of its divisors is an integer number (14171388).

Almost surely, 256501201 is an apocalyptic number.

It is an amenable number.

56501201 is a deficient number, since it is larger than the sum of its proper divisors (184351).

56501201 is a wasteful number, since it uses less digits than its factorization.

56501201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184350.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 56501201 is about 7516.7280780936. The cubic root of 56501201 is about 383.7242327976.

Adding to 56501201 its reverse (10210565), we get a palindrome (66711766).

The spelling of 56501201 in words is "fifty-six million, five hundred one thousand, two hundred one".

Divisors: 1 307 184043 56501201