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56889020 = 22511532467
BaseRepresentation
bin1101100100000…
…0111010111100
310222001021001202
43121000322330
5104030422040
65351155032
71260356126
oct331007274
9128037052
1056889020
112a126621
1217075a78
13ba2ac56
1477ac216
154edb015
hex3640ebc

56889020 has 24 divisors (see below), whose sum is σ = 119619024. Its totient is φ = 22726656.

The previous prime is 56889013. The next prime is 56889023. The reversal of 56889020 is 2098865.

56889020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56889023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21827 + ... + 24293.

It is an arithmetic number, because the mean of its divisors is an integer number (4984126).

Almost surely, 256889020 is an apocalyptic number.

It is an amenable number.

56889020 is an abundant number, since it is smaller than the sum of its proper divisors (62730004).

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

56889020 is a wasteful number, since it uses less digits than its factorization.

56889020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3629 (or 3627 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 56889020 is about 7542.4810241724. The cubic root of 56889020 is about 384.6001808759.

The spelling of 56889020 in words is "fifty-six million, eight hundred eighty-nine thousand, twenty".

Divisors: 1 2 4 5 10 20 1153 2306 2467 4612 4934 5765 9868 11530 12335 23060 24670 49340 2844451 5688902 11377804 14222255 28444510 56889020