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56047398 = 2311849203
BaseRepresentation
bin1101010111001…
…1011100100110
310220110111120120
43111303130212
5103322004043
65321142410
71250252331
oct325633446
9126414516
1056047398
1129701270
121692aa06
13b7c4b54
14762d618
154dc1983
hex3573726

56047398 has 16 divisors (see below), whose sum is σ = 122285376. Its totient is φ = 16984040.

The previous prime is 56047391. The next prime is 56047403. The reversal of 56047398 is 89374065.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56047391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424536 + ... + 424667.

It is an arithmetic number, because the mean of its divisors is an integer number (7642836).

Almost surely, 256047398 is an apocalyptic number.

56047398 is an abundant number, since it is smaller than the sum of its proper divisors (66237978).

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

56047398 is a wasteful number, since it uses less digits than its factorization.

56047398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849219.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 56047398 is about 7486.4810158044. The cubic root of 56047398 is about 382.6941455350.

The spelling of 56047398 in words is "fifty-six million, forty-seven thousand, three hundred ninety-eight".

Divisors: 1 2 3 6 11 22 33 66 849203 1698406 2547609 5095218 9341233 18682466 28023699 56047398