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57980272 = 2474871063
BaseRepresentation
bin1101110100101…
…1010101110000
311001002200222111
43131023111300
5104320332042
65430415104
71302552460
oct335132560
9131080874
1057980272
112a801489
1217501494
13c02086c
1479b3ba0
155154517
hex374b570

57980272 has 40 divisors (see below), whose sum is σ = 128769536. Its totient is φ = 24774336.

The previous prime is 57980269. The next prime is 57980287. The reversal of 57980272 is 27208975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54013 + ... + 55075.

Almost surely, 257980272 is an apocalyptic number.

It is an amenable number.

57980272 is an abundant number, since it is smaller than the sum of its proper divisors (70789264).

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

57980272 is a wasteful number, since it uses less digits than its factorization.

57980272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565 (or 1559 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 57980272 is about 7614.4777890542. The cubic root of 57980272 is about 387.0437713535.

The spelling of 57980272 in words is "fifty-seven million, nine hundred eighty thousand, two hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 487 974 1063 1948 2126 3409 3896 4252 6818 7441 7792 8504 13636 14882 17008 27272 29764 54544 59528 119056 517681 1035362 2070724 3623767 4141448 7247534 8282896 14495068 28990136 57980272