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56870454 = 2359160651
BaseRepresentation
bin1101100011110…
…0011000110110
310222000022121010
43120330120312
5104024323304
65350533050
71260251034
oct330743066
9128008533
1056870454
112a113683
1217067186
13ba22674
1477a5554
154ed5789
hex363c636

56870454 has 16 divisors (see below), whose sum is σ = 115669440. Its totient is φ = 18635400.

The previous prime is 56870453. The next prime is 56870459. The reversal of 56870454 is 45407865.

It is a super-2 number, since 2×568704542 = 6468497076332232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56870453) 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, 79972 + ... + 80679.

It is an arithmetic number, because the mean of its divisors is an integer number (7229340).

Almost surely, 256870454 is an apocalyptic number.

56870454 is an abundant number, since it is smaller than the sum of its proper divisors (58798986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56870454 is a wasteful number, since it uses less digits than its factorization.

56870454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160715.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 56870454 is about 7541.2501616111. The cubic root of 56870454 is about 384.5583376293.

The spelling of 56870454 in words is "fifty-six million, eight hundred seventy thousand, four hundred fifty-four".

Divisors: 1 2 3 6 59 118 177 354 160651 321302 481953 963906 9478409 18956818 28435227 56870454