Search a number
-
+
56562423 = 318854141
BaseRepresentation
bin1101011111000…
…1001011110111
310221102200001120
43113301023313
5103434444143
65340155023
71254526011
oct327611367
9127380046
1056562423
1129a23205
1216b38a73
13b9453b8
1477251b1
154e74383
hex35f12f7

56562423 has 4 divisors (see below), whose sum is σ = 75416568. Its totient is φ = 37708280.

The previous prime is 56562421. The next prime is 56562427. The reversal of 56562423 is 32426565.

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

It is a cyclic number.

It is not a de Polignac number, because 56562423 - 21 = 56562421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56562421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9427068 + ... + 9427073.

It is an arithmetic number, because the mean of its divisors is an integer number (18854142).

Almost surely, 256562423 is an apocalyptic number.

56562423 is a deficient number, since it is larger than the sum of its proper divisors (18854145).

56562423 is a wasteful number, since it uses less digits than its factorization.

56562423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18854144.

The product of its digits is 43200, while the sum is 33.

The square root of 56562423 is about 7520.7993591107. The cubic root of 56562423 is about 383.8627778468.

Adding to 56562423 its reverse (32426565), we get a palindrome (88988988).

The spelling of 56562423 in words is "fifty-six million, five hundred sixty-two thousand, four hundred twenty-three".

Divisors: 1 3 18854141 56562423