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86129084 = 2221532271
BaseRepresentation
bin1010010001000…
…11100110111100
320000001210220002
411020203212330
5134022112314
612314013432
72064041126
oct510434674
9200053802
1086129084
1144688068
1224a17278
1314ac8072
14b620216
157864ade
hex52239bc

86129084 has 6 divisors (see below), whose sum is σ = 150725904. Its totient is φ = 43064540.

The previous prime is 86129083. The next prime is 86129093. The reversal of 86129084 is 48092168.

It is a super-2 number, since 2×861290842 = 14836438221358112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86129083) 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 as a sum of consecutive naturals, namely, 10766132 + ... + 10766139.

It is an arithmetic number, because the mean of its divisors is an integer number (25120984).

Almost surely, 286129084 is an apocalyptic number.

It is an amenable number.

86129084 is a deficient number, since it is larger than the sum of its proper divisors (64596820).

86129084 is a wasteful number, since it uses less digits than its factorization.

86129084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21532275 (or 21532273 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 86129084 is about 9280.5756286989. The cubic root of 86129084 is about 441.6212298023.

The spelling of 86129084 in words is "eighty-six million, one hundred twenty-nine thousand, eighty-four".

Divisors: 1 2 4 21532271 43064542 86129084