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56024231 = 173295543
BaseRepresentation
bin1101010110110…
…1110010100111
310220102022210112
43111231302213
5103320233411
65320443235
71250124644
oct325556247
9126368715
1056024231
112969591a
121691951b
13b7b7443
147624dcb
154db9b8b
hex356dca7

56024231 has 4 divisors (see below), whose sum is σ = 59319792. Its totient is φ = 52728672.

The previous prime is 56024209. The next prime is 56024249. The reversal of 56024231 is 13242065.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56024231 is a prime.

It is a super-2 number, since 2×560242312 = 6277428918282722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56024197 and 56024206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56024131) 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, 1647755 + ... + 1647788.

It is an arithmetic number, because the mean of its divisors is an integer number (14829948).

Almost surely, 256024231 is an apocalyptic number.

56024231 is a deficient number, since it is larger than the sum of its proper divisors (3295561).

56024231 is a wasteful number, since it uses less digits than its factorization.

56024231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295560.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 56024231 is about 7484.9336002399. The cubic root of 56024231 is about 382.6414098302.

Adding to 56024231 its reverse (13242065), we get a palindrome (69266296).

The spelling of 56024231 in words is "fifty-six million, twenty-four thousand, two hundred thirty-one".

Divisors: 1 17 3295543 56024231