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87025148 = 2273108041
BaseRepresentation
bin1010010111111…
…10010111111100
320001202100001122
411023332113330
5134234301043
612345130112
72104462430
oct513762774
9201670048
1087025148
114513a311
1225189938
131504cb92
14b7b49c0
157990368
hex52fe5fc

87025148 has 12 divisors (see below), whose sum is σ = 174050352. Its totient is φ = 37296480.

The previous prime is 87025121. The next prime is 87025151. The reversal of 87025148 is 84152078.

87025148 is an admirable number.

It is a congruent number.

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, 1553993 + ... + 1554048.

It is an arithmetic number, because the mean of its divisors is an integer number (14504196).

Almost surely, 287025148 is an apocalyptic number.

It is an amenable number.

87025148 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87025148 is a wasteful number, since it uses less digits than its factorization.

87025148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3108052 (or 3108050 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 87025148 is about 9328.7270299865. The cubic root of 87025148 is about 443.1474523037.

The spelling of 87025148 in words is "eighty-seven million, twenty-five thousand, one hundred forty-eight".

Divisors: 1 2 4 7 14 28 3108041 6216082 12432164 21756287 43512574 87025148