Search a number
-
+
56197083 = 318732361
BaseRepresentation
bin1101011001011…
…1111111011011
310220202002220110
43112113333123
5103341301313
65324255403
71251444615
oct326277733
9126662813
1056197083
11297a3778
12169a1563
13b848017
14766bdb5
154e00ec3
hex3597fdb

56197083 has 4 divisors (see below), whose sum is σ = 74929448. Its totient is φ = 37464720.

The previous prime is 56197069. The next prime is 56197091. The reversal of 56197083 is 38079165.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 56197083 - 221 = 54099931 is a prime.

It is a super-2 number, since 2×561970832 = 6316224275417778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56196083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9366178 + ... + 9366183.

It is an arithmetic number, because the mean of its divisors is an integer number (18732362).

Almost surely, 256197083 is an apocalyptic number.

56197083 is a deficient number, since it is larger than the sum of its proper divisors (18732365).

56197083 is a wasteful number, since it uses less digits than its factorization.

56197083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18732364.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 56197083 is about 7496.4713699180. The cubic root of 56197083 is about 383.0345279926.

The spelling of 56197083 in words is "fifty-six million, one hundred ninety-seven thousand, eighty-three".

Divisors: 1 3 18732361 56197083