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56238433 = 311814143
BaseRepresentation
bin1101011010001…
…0000101100001
310220211012121221
43112202011201
5103344112213
65325215041
71252006306
oct326420541
9126735557
1056238433
1129821849
1216a01481
13b860aa4
14767d0ad
154e0d38d
hex35a2161

56238433 has 4 divisors (see below), whose sum is σ = 58052608. Its totient is φ = 54424260.

The previous prime is 56238421. The next prime is 56238437. The reversal of 56238433 is 33483265.

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 a de Polignac number, because none of the positive numbers 2k-56238433 is a prime.

It is a super-2 number, since 2×562384332 = 6325522692590978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56238437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 907041 + ... + 907102.

It is an arithmetic number, because the mean of its divisors is an integer number (14513152).

Almost surely, 256238433 is an apocalyptic number.

It is an amenable number.

56238433 is a deficient number, since it is larger than the sum of its proper divisors (1814175).

56238433 is a wasteful number, since it uses less digits than its factorization.

56238433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814174.

The product of its digits is 51840, while the sum is 34.

The square root of 56238433 is about 7499.2288270195. The cubic root of 56238433 is about 383.1284509854.

The spelling of 56238433 in words is "fifty-six million, two hundred thirty-eight thousand, four hundred thirty-three".

Divisors: 1 31 1814143 56238433