Search a number
-
+
86632660 = 22519921767
BaseRepresentation
bin1010010100111…
…10100011010100
320001000101200001
411022132203110
5134134221120
612332501044
72101236232
oct512364324
9201011601
1086632660
11449a1444
122501a784
1314c4333a
14b711952
157913e0a
hex529e8d4

86632660 has 24 divisors (see below), whose sum is σ = 182851200. Its totient is φ = 34477344.

The previous prime is 86632639. The next prime is 86632673. The reversal of 86632660 is 6623668.

It is a congruent number.

It is an unprimeable number.

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, 6904 + ... + 14863.

It is an arithmetic number, because the mean of its divisors is an integer number (7618800).

Almost surely, 286632660 is an apocalyptic number.

It is an amenable number.

86632660 is an abundant number, since it is smaller than the sum of its proper divisors (96218540).

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

86632660 is a wasteful number, since it uses less digits than its factorization.

86632660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21975 (or 21973 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 86632660 is about 9307.6667323234. Note that the first 3 decimals coincide. The cubic root of 86632660 is about 442.4802421301.

The spelling of 86632660 in words is "eighty-six million, six hundred thirty-two thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 199 398 796 995 1990 3980 21767 43534 87068 108835 217670 435340 4331633 8663266 17326532 21658165 43316330 86632660