Search a number
-
+
557790983 = 10122724329
BaseRepresentation
bin100001001111110…
…011011100000111
31102212120201101022
4201033303130013
52120243302413
6131203221355
716552100531
oct4117633407
91385521338
10557790983
11266949692
1213697785b
138b73a749
145411a851
1533e81608
hex213f3707

557790983 has 8 divisors (see below), whose sum is σ = 565818480. Its totient is φ = 549812800.

The previous prime is 557790977. The next prime is 557791043. The reversal of 557790983 is 389097755.

It is a happy number.

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 557790983 - 210 = 557789959 is a prime.

It is a super-2 number, since 2×5577909832 = 622261561432212578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557790913) 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, 10763 + ... + 35091.

It is an arithmetic number, because the mean of its divisors is an integer number (70727310).

Almost surely, 2557790983 is an apocalyptic number.

557790983 is a deficient number, since it is larger than the sum of its proper divisors (8027497).

557790983 is a wasteful number, since it uses less digits than its factorization.

557790983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24657.

The product of its (nonzero) digits is 2381400, while the sum is 53.

The square root of 557790983 is about 23617.5990100603. The cubic root of 557790983 is about 823.1718234919.

The spelling of 557790983 in words is "five hundred fifty-seven million, seven hundred ninety thousand, nine hundred eighty-three".

Divisors: 1 101 227 22927 24329 2457229 5522683 557790983