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56913800 = 2352383743
BaseRepresentation
bin1101100100011…
…0111110001000
310222002112001112
43121012332020
5104032220200
65351505452
71260521306
oct331067610
9128075045
1056913800
112a1431a9
1217088288
13ba39308
1477b7276
154ee3535
hex3646f88

56913800 has 48 divisors (see below), whose sum is σ = 132848640. Its totient is φ = 22675520.

The previous prime is 56913763. The next prime is 56913817. The reversal of 56913800 is 831965.

56913800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 76229 + ... + 76971.

It is an arithmetic number, because the mean of its divisors is an integer number (2767680).

Almost surely, 256913800 is an apocalyptic number.

56913800 is a gapful number since it is divisible by the number (50) 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 56913800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66424320).

56913800 is an abundant number, since it is smaller than the sum of its proper divisors (75934840).

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

56913800 is a wasteful number, since it uses less digits than its factorization.

56913800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 56913800 is about 7544.1235408760. The cubic root of 56913800 is about 384.6560147847.

The spelling of 56913800 in words is "fifty-six million, nine hundred thirteen thousand, eight hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 383 743 766 1486 1532 1915 2972 3064 3715 3830 5944 7430 7660 9575 14860 15320 18575 19150 29720 37150 38300 74300 76600 148600 284569 569138 1138276 1422845 2276552 2845690 5691380 7114225 11382760 14228450 28456900 56913800