Search a number
-
+
56770212 = 2234730851
BaseRepresentation
bin1101100010001…
…1111010100100
310221211020002110
43120203322210
5104013121322
65344441020
71256352552
oct330437244
9127736073
1056770212
112a055334
1217019170
13b9b8b55
14777abd2
154eb5c0c
hex3623ea4

56770212 has 12 divisors (see below), whose sum is σ = 132463856. Its totient is φ = 18923400.

The previous prime is 56770193. The next prime is 56770223. The reversal of 56770212 is 21207765.

56770212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 56770212.

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, 2365414 + ... + 2365437.

Almost surely, 256770212 is an apocalyptic number.

It is an amenable number.

56770212 is an abundant number, since it is smaller than the sum of its proper divisors (75693644).

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

56770212 is a wasteful number, since it uses less digits than its factorization.

56770212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4730858 (or 4730856 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 56770212 is about 7534.6009847901. The cubic root of 56770212 is about 384.3322590852.

Adding to 56770212 its reverse (21207765), we get a palindrome (77977977).

The spelling of 56770212 in words is "fifty-six million, seven hundred seventy thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 4730851 9461702 14192553 18923404 28385106 56770212