Search a number
-
+
56105870 = 255610587
BaseRepresentation
bin1101011000000…
…1101110001110
310220120110210012
43112001232032
5103330341440
65322313222
71250614652
oct326015616
9126513705
1056105870
1129741197
1216958812
13b815652
147646a62
154dd3e65
hex3581b8e

56105870 has 8 divisors (see below), whose sum is σ = 100990584. Its totient is φ = 22442344.

The previous prime is 56105857. The next prime is 56105911. The reversal of 56105870 is 7850165.

56105870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2805284 + ... + 2805303.

It is an arithmetic number, because the mean of its divisors is an integer number (12623823).

Almost surely, 256105870 is an apocalyptic number.

56105870 is a deficient number, since it is larger than the sum of its proper divisors (44884714).

56105870 is a wasteful number, since it uses less digits than its factorization.

56105870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610594.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 56105870 is about 7490.3851703367. The cubic root of 56105870 is about 382.8271824273.

The spelling of 56105870 in words is "fifty-six million, one hundred five thousand, eight hundred seventy".

Divisors: 1 2 5 10 5610587 11221174 28052935 56105870