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56513200 = 2452141283
BaseRepresentation
bin1101011110010…
…1001010110000
310221100011112111
43113211022300
5103431410300
65335135104
71254232342
oct327451260
9127304474
1056513200
112999a227
1216b14494
13b928b83
147711292
154e649ba
hex35e52b0

56513200 has 30 divisors (see below), whose sum is σ = 135773924. Its totient is φ = 22605120.

The previous prime is 56513189. The next prime is 56513207. The reversal of 56513200 is 231565.

It is a happy number.

56513200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (56513207) 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 5 ways as a sum of consecutive naturals, for example, 70242 + ... + 71041.

Almost surely, 256513200 is an apocalyptic number.

56513200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56513200 is an abundant number, since it is smaller than the sum of its proper divisors (79260724).

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

56513200 is a wasteful number, since it uses less digits than its factorization.

56513200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141301 (or 141290 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 56513200 is about 7517.5261888470. The cubic root of 56513200 is about 383.7513943510.

Adding to 56513200 its reverse (231565), we get a palindrome (56744765).

The spelling of 56513200 in words is "fifty-six million, five hundred thirteen thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 141283 282566 565132 706415 1130264 1412830 2260528 2825660 3532075 5651320 7064150 11302640 14128300 28256600 56513200