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78028596 = 2234240829
BaseRepresentation
bin1001010011010…
…01111100110100
312102211021010000
410221221330310
5124433403341
611424231300
71635142422
oct451517464
9172737100
1078028596
1140055048
122216b530
131321cc89
14a512112
156cb48b6
hex4a69f34

78028596 has 30 divisors (see below), whose sum is σ = 203983010. Its totient is φ = 26009424.

The previous prime is 78028591. The next prime is 78028603. The reversal of 78028596 is 69582087.

It can be written as a sum of positive squares in only one way, i.e., 77792400 + 236196 = 8820^2 + 486^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78028591) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 120091 + ... + 120738.

Almost surely, 278028596 is an apocalyptic number.

It is an amenable number.

78028596 is an abundant number, since it is smaller than the sum of its proper divisors (125954414).

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

78028596 is a wasteful number, since it uses less digits than its factorization.

78028596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240845 (or 240834 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 78028596 is about 8833.3796476773. The cubic root of 78028596 is about 427.3180758705.

The spelling of 78028596 in words is "seventy-eight million, twenty-eight thousand, five hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 240829 481658 722487 963316 1444974 2167461 2889948 4334922 6502383 8669844 13004766 19507149 26009532 39014298 78028596