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56243432 = 2371377331
BaseRepresentation
bin1101011010001…
…1010011101000
310220211110111002
43112203103220
5103344242212
65325254132
71252030010
oct326432350
9126743432
1056243432
1129825583
1216a04348
13b86314b
147680c40
154e0eac2
hex35a34e8

56243432 has 32 divisors (see below), whose sum is σ = 121417920. Its totient is φ = 23925120.

The previous prime is 56243419. The next prime is 56243437. The reversal of 56243432 is 23434265.

56243432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 56243395 and 56243404.

It is not an unprimeable number, because it can be changed into a prime (56243437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4007 + ... + 11337.

It is an arithmetic number, because the mean of its divisors is an integer number (3794310).

Almost surely, 256243432 is an apocalyptic number.

It is an amenable number.

56243432 is an abundant number, since it is smaller than the sum of its proper divisors (65174488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56243432 is a wasteful number, since it uses less digits than its factorization.

56243432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7481 (or 7477 counting only the distinct ones).

The product of its digits is 17280, while the sum is 29.

The square root of 56243432 is about 7499.5621205508. The cubic root of 56243432 is about 383.1398026671.

Adding to 56243432 its reverse (23434265), we get a palindrome (79677697).

The spelling of 56243432 in words is "fifty-six million, two hundred forty-three thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 137 274 548 959 1096 1918 3836 7331 7672 14662 29324 51317 58648 102634 205268 410536 1004347 2008694 4017388 7030429 8034776 14060858 28121716 56243432