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87062074 = 21131127657
BaseRepresentation
bin1010011000001…
…11011000111010
320001211012201021
411030013120322
5134241441244
612350013054
72105005201
oct514073072
9201735637
1087062074
1145165030
12251a718a
1315063928
14b7c4238
15799b284
hex530763a

87062074 has 16 divisors (see below), whose sum is σ = 147062016. Its totient is φ = 38296800.

The previous prime is 87062071. The next prime is 87062113. The reversal of 87062074 is 47026078.

It is not an unprimeable number, because it can be changed into a prime (87062071) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 63147 + ... + 64510.

It is an arithmetic number, because the mean of its divisors is an integer number (9191376).

Almost surely, 287062074 is an apocalyptic number.

87062074 is a deficient number, since it is larger than the sum of its proper divisors (59999942).

87062074 is a wasteful number, since it uses less digits than its factorization.

87062074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127701.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 87062074 is about 9330.7059754340. The cubic root of 87062074 is about 443.2101213494.

The spelling of 87062074 in words is "eighty-seven million, sixty-two thousand, seventy-four".

Divisors: 1 2 11 22 31 62 341 682 127657 255314 1404227 2808454 3957367 7914734 43531037 87062074