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56955400 = 2352284777
BaseRepresentation
bin1101100101000…
…1001000001000
310222011122010021
43121101020020
5104040033100
65352430224
71261053505
oct331211010
9128148107
1056955400
112a171487
12170a8374
13ba52228
1477c84ac
155000a1a
hex3651208

56955400 has 24 divisors (see below), whose sum is σ = 132421770. Its totient is φ = 22782080.

The previous prime is 56955397. The next prime is 56955439. The reversal of 56955400 is 455965.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 50893956 + 6061444 = 7134^2 + 2462^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142189 + ... + 142588.

Almost surely, 256955400 is an apocalyptic number.

56955400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56955400 is an abundant number, since it is smaller than the sum of its proper divisors (75466370).

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

56955400 is a wasteful number, since it uses less digits than its factorization.

56955400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284793 (or 284784 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 56955400 is about 7546.8801501018. The cubic root of 56955400 is about 384.7497108249.

The spelling of 56955400 in words is "fifty-six million, nine hundred fifty-five thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 284777 569554 1139108 1423885 2278216 2847770 5695540 7119425 11391080 14238850 28477700 56955400