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56198580 = 22351949297
BaseRepresentation
bin1101011001100…
…0010110110100
310220202011221220
43112120112310
5103341323310
65324310340
71251452154
oct326302664
9126664856
1056198580
11297a4909
12169a23b0
13b8488c9
14766c764
154e01670
hex35985b4

56198580 has 48 divisors (see below), whose sum is σ = 165641280. Its totient is φ = 14197248.

The previous prime is 56198579. The next prime is 56198587. The reversal of 56198580 is 8589165.

56198580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56198587) 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 15 ways as a sum of consecutive naturals, for example, 23509 + ... + 25788.

It is an arithmetic number, because the mean of its divisors is an integer number (3450860).

Almost surely, 256198580 is an apocalyptic number.

It is an amenable number.

56198580 is an abundant number, since it is smaller than the sum of its proper divisors (109442700).

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

56198580 is a wasteful number, since it uses less digits than its factorization.

56198580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49328 (or 49326 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 56198580 is about 7496.5712162295. The cubic root of 56198580 is about 383.0379291039.

The spelling of 56198580 in words is "fifty-six million, one hundred ninety-eight thousand, five hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 49297 98594 147891 197188 246485 295782 492970 591564 739455 936643 985940 1478910 1873286 2809929 2957820 3746572 4683215 5619858 9366430 11239716 14049645 18732860 28099290 56198580