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56975850 = 23252126613
BaseRepresentation
bin1101100101011…
…0000111101010
310222012200011200
43121112013222
5104041211400
65353105030
71261200231
oct331260752
9128180150
1056975850
112a185888
12170b8176
13ba5b629
1477d1b18
155006b00
hex36561ea

56975850 has 36 divisors (see below), whose sum is σ = 153076326. Its totient is φ = 15193440.

The previous prime is 56975839. The next prime is 56975869. The reversal of 56975850 is 5857965.

56975850 is a `hidden beast` number, since 5 + 69 + 7 + 585 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 27783441 + 29192409 = 5271^2 + 5403^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 56975796 and 56975805.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 62857 + ... + 63756.

Almost surely, 256975850 is an apocalyptic number.

56975850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56975850 is an abundant number, since it is smaller than the sum of its proper divisors (96100476).

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

56975850 is a wasteful number, since it uses less digits than its factorization.

56975850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126631 (or 126623 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The square root of 56975850 is about 7548.2348930064. The cubic root of 56975850 is about 384.7957538111.

The spelling of 56975850 in words is "fifty-six million, nine hundred seventy-five thousand, eight hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 450 126613 253226 379839 633065 759678 1139517 1266130 1899195 2279034 3165325 3798390 5697585 6330650 9495975 11395170 18991950 28487925 56975850