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56520201 = 3373491459
BaseRepresentation
bin1101011110011…
…0111000001001
310221100112010210
43113212320021
5103432121301
65335231333
71254261633
oct327467011
9127315123
1056520201
11299a4511
1216b18549
13b92c10a
147713a53
154e66ad6
hex35e6e09

56520201 has 16 divisors (see below), whose sum is σ = 77672000. Its totient is φ = 36531648.

The previous prime is 56520199. The next prime is 56520209. The reversal of 56520201 is 10202565.

It is not a de Polignac number, because 56520201 - 21 = 56520199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56520209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38010 + ... + 39468.

It is an arithmetic number, because the mean of its divisors is an integer number (4854500).

Almost surely, 256520201 is an apocalyptic number.

It is an amenable number.

56520201 is a deficient number, since it is larger than the sum of its proper divisors (21151799).

56520201 is a wasteful number, since it uses less digits than its factorization.

56520201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848.

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

The square root of 56520201 is about 7517.9918196284. The cubic root of 56520201 is about 383.7672403986.

Adding to 56520201 its reverse (10202565), we get a palindrome (66722766).

The spelling of 56520201 in words is "fifty-six million, five hundred twenty thousand, two hundred one".

Divisors: 1 3 37 111 349 1047 1459 4377 12913 38739 53983 161949 509191 1527573 18840067 56520201