Search a number
-
+
86130188 = 2221532547
BaseRepresentation
bin1010010001000…
…11111000001100
320000001212101222
411020203320030
5134022131223
612314022512
72064044264
oct510437014
9200055358
1086130188
1144688981
1224a17a38
1314ac8711
14b6207a4
1578650c8
hex5223e0c

86130188 has 6 divisors (see below), whose sum is σ = 150727836. Its totient is φ = 43065092.

The previous prime is 86130181. The next prime is 86130197. The reversal of 86130188 is 88103168.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (86130181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10766270 + ... + 10766277.

It is an arithmetic number, because the mean of its divisors is an integer number (25121306).

Almost surely, 286130188 is an apocalyptic number.

It is an amenable number.

86130188 is a deficient number, since it is larger than the sum of its proper divisors (64597648).

86130188 is a wasteful number, since it uses less digits than its factorization.

86130188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21532551 (or 21532549 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 86130188 is about 9280.6351075775. The cubic root of 86130188 is about 441.6231166901.

The spelling of 86130188 in words is "eighty-six million, one hundred thirty thousand, one hundred eighty-eight".

Divisors: 1 2 4 21532547 43065094 86130188