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56030161 = 1143118457
BaseRepresentation
bin1101010110111…
…1001111010001
310220102121221011
43111233033101
5103320431121
65320530521
71250151145
oct325571721
9126377834
1056030161
112969a320
1216920a41
13b7ba055
147627225
154dbb7e1
hex356f3d1

56030161 has 8 divisors (see below), whose sum is σ = 62545824. Its totient is φ = 49751520.

The previous prime is 56030159. The next prime is 56030189. The reversal of 56030161 is 16103065.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56030161 - 21 = 56030159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56030101) 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, 58756 + ... + 59701.

It is an arithmetic number, because the mean of its divisors is an integer number (7818228).

Almost surely, 256030161 is an apocalyptic number.

It is an amenable number.

56030161 is a deficient number, since it is larger than the sum of its proper divisors (6515663).

56030161 is a wasteful number, since it uses less digits than its factorization.

56030161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118511.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 56030161 is about 7485.3297188567. The cubic root of 56030161 is about 382.6549098430.

The spelling of 56030161 in words is "fifty-six million, thirty thousand, one hundred sixty-one".

Divisors: 1 11 43 473 118457 1303027 5093651 56030161