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56978700 = 22352189929
BaseRepresentation
bin1101100101011…
…0110100001100
310222012211002020
43121112310030
5104041304300
65353130140
71261211442
oct331266414
9128184066
1056978700
112a187a39
12170b9950
13ba5ca0c
1477d2b92
1550078a0
hex3656d0c

56978700 has 36 divisors (see below), whose sum is σ = 164859240. Its totient is φ = 15194240.

The previous prime is 56978641. The next prime is 56978729. The reversal of 56978700 is 787965.

56978700 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, 94665 + ... + 95264.

Almost surely, 256978700 is an apocalyptic number.

56978700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56978700 is an abundant number, since it is smaller than the sum of its proper divisors (107880540).

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

56978700 is a wasteful number, since it uses less digits than its factorization.

56978700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189946 (or 189939 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 56978700 is about 7548.4236765036. The cubic root of 56978700 is about 384.8021696851.

The spelling of 56978700 in words is "fifty-six million, nine hundred seventy-eight thousand, seven hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 189929 379858 569787 759716 949645 1139574 1899290 2279148 2848935 3798580 4748225 5697870 9496450 11395740 14244675 18992900 28489350 56978700