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78048928 = 254315659
BaseRepresentation
bin1001010011011…
…10111010100000
312102212022000001
410221232322200
5124440031203
611424505344
71635255616
oct451567240
9172768001
1078048928
1140069351
122217b254
13132292c9
14a5196b6
156cba91d
hex4a6eea0

78048928 has 24 divisors (see below), whose sum is σ = 154042560. Its totient is φ = 38927040.

The previous prime is 78048911. The next prime is 78048931. The reversal of 78048928 is 82984087.

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 3 ways as a sum of consecutive naturals, for example, 10963 + ... + 16621.

It is an arithmetic number, because the mean of its divisors is an integer number (6418440).

Almost surely, 278048928 is an apocalyptic number.

It is an amenable number.

78048928 is a deficient number, since it is larger than the sum of its proper divisors (75993632).

78048928 is a wasteful number, since it uses less digits than its factorization.

78048928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100 (or 6092 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 78048928 is about 8834.5304346072. The cubic root of 78048928 is about 427.3551882328.

The spelling of 78048928 in words is "seventy-eight million, forty-eight thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 32 431 862 1724 3448 5659 6896 11318 13792 22636 45272 90544 181088 2439029 4878058 9756116 19512232 39024464 78048928