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56853481 = 90762683
BaseRepresentation
bin1101100011100…
…0001111101001
310221222110022111
43120320033221
5104023302411
65350322321
71260150406
oct330701751
9127873274
1056853481
112a101953
12170593a1
13ba17a19
14779d2ad
154ed0721
hex36383e9

56853481 has 4 divisors (see below), whose sum is σ = 56917072. Its totient is φ = 56789892.

The previous prime is 56853479. The next prime is 56853523. The reversal of 56853481 is 18435865.

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 56853481 - 21 = 56853479 is a prime.

It is a super-2 number, since 2×568534812 = 6464636603634722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56853421) 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, 30435 + ... + 32248.

It is an arithmetic number, because the mean of its divisors is an integer number (14229268).

Almost surely, 256853481 is an apocalyptic number.

It is an amenable number.

56853481 is a deficient number, since it is larger than the sum of its proper divisors (63591).

56853481 is an equidigital number, since it uses as much as digits as its factorization.

56853481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63590.

The product of its digits is 115200, while the sum is 40.

The square root of 56853481 is about 7540.1247337163. The cubic root of 56853481 is about 384.5200766482.

The spelling of 56853481 in words is "fifty-six million, eight hundred fifty-three thousand, four hundred eighty-one".

Divisors: 1 907 62683 56853481