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56660060 = 2255948017
BaseRepresentation
bin1101100000100…
…1000001011100
310221121121222202
43120021001130
5104001110220
65342231032
71255413452
oct330110134
9127547882
1056660060
1129a8a5a6
1216b85478
13b97a982
14774c9d2
154e93275
hex360905c

56660060 has 24 divisors (see below), whose sum is σ = 121005360. Its totient is φ = 22279424.

The previous prime is 56660039. The next prime is 56660077. The reversal of 56660060 is 6006665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22829 + ... + 25188.

It is an arithmetic number, because the mean of its divisors is an integer number (5041890).

Almost surely, 256660060 is an apocalyptic number.

It is an amenable number.

56660060 is an abundant number, since it is smaller than the sum of its proper divisors (64345300).

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

56660060 is a wasteful number, since it uses less digits than its factorization.

56660060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48085 (or 48083 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 56660060 is about 7527.2876921239. The cubic root of 56660060 is about 384.0835231367.

The spelling of 56660060 in words is "fifty-six million, six hundred sixty thousand, sixty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 48017 96034 192068 240085 480170 960340 2833003 5666006 11332012 14165015 28330030 56660060