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78058016 = 2517143489
BaseRepresentation
bin1001010011100…
…01001000100000
312102212202110122
410221301020200
5124440324031
611425015412
71635324251
oct451611040
9172782418
1078058016
1140075163
1222184568
131323049a
14a51cb28
156cbd47b
hex4a71220

78058016 has 24 divisors (see below), whose sum is σ = 162717660. Its totient is φ = 36732928.

The previous prime is 78057989. The next prime is 78058037. The reversal of 78058016 is 61085087.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 77510416 + 547600 = 8804^2 + 740^2 .

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, 71201 + ... + 72288.

Almost surely, 278058016 is an apocalyptic number.

It is an amenable number.

78058016 is an abundant number, since it is smaller than the sum of its proper divisors (84659644).

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

78058016 is a wasteful number, since it uses less digits than its factorization.

78058016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143516 (or 143508 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 78058016 is about 8835.0447650252. The cubic root of 78058016 is about 427.3717746371.

The spelling of 78058016 in words is "seventy-eight million, fifty-eight thousand, sixteen".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 143489 286978 573956 1147912 2295824 2439313 4591648 4878626 9757252 19514504 39029008 78058016