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87060196 = 22171280297
BaseRepresentation
bin1010011000001…
…10111011100100
320001211010010201
411030012323210
5134241411241
612350000244
72104666546
oct514067344
9201733121
1087060196
1145163683
12251a6084
1315062b12
14b7c3696
15799a931
hex5306ee4

87060196 has 12 divisors (see below), whose sum is σ = 161317548. Its totient is φ = 40969472.

The previous prime is 87060187. The next prime is 87060199. The reversal of 87060196 is 69106078.

It can be written as a sum of positive squares in 2 ways, for example, as 33477796 + 53582400 = 5786^2 + 7320^2 .

It is not an unprimeable number, because it can be changed into a prime (87060199) 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 3 ways as a sum of consecutive naturals, for example, 640081 + ... + 640216.

It is an arithmetic number, because the mean of its divisors is an integer number (13443129).

Almost surely, 287060196 is an apocalyptic number.

It is an amenable number.

87060196 is a deficient number, since it is larger than the sum of its proper divisors (74257352).

87060196 is a wasteful number, since it uses less digits than its factorization.

87060196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280318 (or 1280316 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 87060196 is about 9330.6053394193. The cubic root of 87060196 is about 443.2069345251.

The spelling of 87060196 in words is "eighty-seven million, sixty thousand, one hundred ninety-six".

Divisors: 1 2 4 17 34 68 1280297 2560594 5121188 21765049 43530098 87060196