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56130606 = 2327795639
BaseRepresentation
bin1101011000011…
…1110000101110
310220121201201100
43112013300232
5103332134411
65323023530
71251050040
oct326076056
9126551640
1056130606
1129758834
121696aba6
13b82399c
147651a90
154ddb456
hex3587c2e

56130606 has 48 divisors (see below), whose sum is σ = 140774400. Its totient is φ = 15831504.

The previous prime is 56130589. The next prime is 56130637. The reversal of 56130606 is 60603165.

56130606 is a `hidden beast` number, since 56 + 1 + 3 + 0 + 606 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56130606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7135 + ... + 12773.

It is an arithmetic number, because the mean of its divisors is an integer number (2932800).

Almost surely, 256130606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56130606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70387200).

56130606 is an abundant number, since it is smaller than the sum of its proper divisors (84643794).

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

56130606 is a wasteful number, since it uses less digits than its factorization.

56130606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5733 (or 5730 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 56130606 is about 7492.0361718294. The cubic root of 56130606 is about 382.8834345441.

The spelling of 56130606 in words is "fifty-six million, one hundred thirty thousand, six hundred six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 79 126 158 237 474 553 711 1106 1422 1659 3318 4977 5639 9954 11278 16917 33834 39473 50751 78946 101502 118419 236838 355257 445481 710514 890962 1336443 2672886 3118367 4009329 6236734 8018658 9355101 18710202 28065303 56130606