Search a number
-
+
56924989 = 115174999
BaseRepresentation
bin1101100100100…
…1101100111101
310222010002101221
43121021230331
5104033044424
65352033341
71260566032
oct331115475
9128102357
1056924989
112a150650
1217092851
13ba41434
1477bb389
154ee69e4
hex3649b3d

56924989 has 4 divisors (see below), whose sum is σ = 62100000. Its totient is φ = 51749980.

The previous prime is 56924983. The next prime is 56925047. The reversal of 56924989 is 98942965.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56924989 - 25 = 56924957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56924983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2587489 + ... + 2587510.

It is an arithmetic number, because the mean of its divisors is an integer number (15525000).

Almost surely, 256924989 is an apocalyptic number.

It is an amenable number.

56924989 is a deficient number, since it is larger than the sum of its proper divisors (5175011).

56924989 is a wasteful number, since it uses less digits than its factorization.

56924989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175010.

The product of its digits is 1399680, while the sum is 52.

The square root of 56924989 is about 7544.8650750030. The cubic root of 56924989 is about 384.6812203537.

The spelling of 56924989 in words is "fifty-six million, nine hundred twenty-four thousand, nine hundred eighty-nine".

Divisors: 1 11 5174999 56924989