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56223130 = 255622313
BaseRepresentation
bin1101011001111…
…0010110011010
310220210102122011
43112132112122
5103343120010
65325020134
71251613555
oct326362632
9126712564
1056223130
11298112a7
12169b464a
13b856b32
14767769c
154e08a8a
hex359e59a

56223130 has 8 divisors (see below), whose sum is σ = 101201652. Its totient is φ = 22489248.

The previous prime is 56223127. The next prime is 56223149. The reversal of 56223130 is 3132265.

It can be written as a sum of positive squares in 2 ways, for example, as 55041561 + 1181569 = 7419^2 + 1087^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×562231302 = 6322080693993800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2811147 + ... + 2811166.

Almost surely, 256223130 is an apocalyptic number.

56223130 is a deficient number, since it is larger than the sum of its proper divisors (44978522).

56223130 is a wasteful number, since it uses less digits than its factorization.

56223130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5622320.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 56223130 is about 7498.2084526905. The cubic root of 56223130 is about 383.0936968961.

Adding to 56223130 its reverse (3132265), we get a palindrome (59355395).

The spelling of 56223130 in words is "fifty-six million, two hundred twenty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 5622313 11244626 28111565 56223130