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56205016 = 2372953653
BaseRepresentation
bin1101011001100…
…1111011011000
310220202111210021
43112121323120
5103342030031
65324400224
71251510010
oct326317330
9126674707
1056205016
11297a972a
12169a6074
13b84b80a
147670c40
154e03511
hex3599ed8

56205016 has 64 divisors (see below), whose sum is σ = 127137600. Its totient is φ = 22783488.

The previous prime is 56204969. The next prime is 56205041. The reversal of 56205016 is 61050265.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85746 + ... + 86398.

It is an arithmetic number, because the mean of its divisors is an integer number (1986525).

Almost surely, 256205016 is an apocalyptic number.

56205016 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56205016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63568800).

56205016 is an abundant number, since it is smaller than the sum of its proper divisors (70932584).

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

56205016 is a wasteful number, since it uses less digits than its factorization.

56205016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748 (or 744 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 56205016 is about 7497.0004668534. Note that the first 3 decimals coincide. The cubic root of 56205016 is about 383.0525506952.

The spelling of 56205016 in words is "fifty-six million, two hundred five thousand, sixteen".

Divisors: 1 2 4 7 8 14 28 29 53 56 58 106 116 203 212 232 371 406 424 653 742 812 1306 1484 1537 1624 2612 2968 3074 4571 5224 6148 9142 10759 12296 18284 18937 21518 34609 36568 37874 43036 69218 75748 86072 132559 138436 151496 242263 265118 276872 484526 530236 969052 1003661 1060472 1938104 2007322 4014644 7025627 8029288 14051254 28102508 56205016