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57990064 = 2411329489
BaseRepresentation
bin1101110100110…
…1101110110000
311001010012102011
43131031232300
5104321140224
65430532304
71302623146
oct335155660
9131105364
1057990064
112a808880
1217507094
13c025162
1479b7596
155157394
hex374dbb0

57990064 has 20 divisors (see below), whose sum is σ = 122570280. Its totient is φ = 26359040.

The previous prime is 57990013. The next prime is 57990073. The reversal of 57990064 is 46009975.

It is a junction number, because it is equal to n+sod(n) for n = 57989999 and 57990026.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164569 + ... + 164920.

It is an arithmetic number, because the mean of its divisors is an integer number (6128514).

Almost surely, 257990064 is an apocalyptic number.

It is an amenable number.

57990064 is an abundant number, since it is smaller than the sum of its proper divisors (64580216).

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

57990064 is a wasteful number, since it uses less digits than its factorization.

57990064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329508 (or 329502 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 57990064 is about 7615.1207475653. The cubic root of 57990064 is about 387.0655587600.

The spelling of 57990064 in words is "fifty-seven million, nine hundred ninety thousand, sixty-four".

Divisors: 1 2 4 8 11 16 22 44 88 176 329489 658978 1317956 2635912 3624379 5271824 7248758 14497516 28995032 57990064