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78057368 = 239757171
BaseRepresentation
bin1001010011100…
…00111110011000
312102212201120122
410221300332120
5124440313433
611425012412
71635322334
oct451607630
9172781518
1078057368
1140074724
1222184108
13132300bc
14a51c7c4
156cbd198
hex4a70f98

78057368 has 8 divisors (see below), whose sum is σ = 146357580. Its totient is φ = 39028680.

The previous prime is 78057347. The next prime is 78057373. The reversal of 78057368 is 86375087.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 4878578 + ... + 4878593.

Almost surely, 278057368 is an apocalyptic number.

It is an amenable number.

78057368 is a deficient number, since it is larger than the sum of its proper divisors (68300212).

78057368 is a wasteful number, since it uses less digits than its factorization.

78057368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9757177 (or 9757173 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 78057368 is about 8835.0080928090. The cubic root of 78057368 is about 427.3705920224.

The spelling of 78057368 in words is "seventy-eight million, fifty-seven thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 9757171 19514342 39028684 78057368