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56530370 = 2513434849
BaseRepresentation
bin1101011110100…
…1010111000010
310221101001002102
43113221113002
5103432432440
65335350402
71254333401
oct327512702
9127331072
1056530370
1129a01116
1216b22402
13b933930
147717638
154e69b15
hex35e95c2

56530370 has 16 divisors (see below), whose sum is σ = 109582200. Its totient is φ = 20872704.

The previous prime is 56530351. The next prime is 56530373. The reversal of 56530370 is 7303565.

It can be written as a sum of positive squares in 4 ways, for example, as 27489049 + 29041321 = 5243^2 + 5389^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56530373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217295 + ... + 217554.

Almost surely, 256530370 is an apocalyptic number.

56530370 is a deficient number, since it is larger than the sum of its proper divisors (53051830).

56530370 is a wasteful number, since it uses less digits than its factorization.

56530370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434869.

The product of its (nonzero) digits is 9450, while the sum is 29.

The square root of 56530370 is about 7518.6681001358. The cubic root of 56530370 is about 383.7902545598.

The spelling of 56530370 in words is "fifty-six million, five hundred thirty thousand, three hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 434849 869698 2174245 4348490 5653037 11306074 28265185 56530370