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86409995 = 572985133
BaseRepresentation
bin1010010011010…
…00001100001011
320000121002020012
411021220030023
5134110104440
612324022135
72066321120
oct511501413
9200532205
1086409995
114485a121
1224b3194b
1314b95b99
14b694747
1578bce65
hex526830b

86409995 has 16 divisors (see below), whose sum is σ = 122592960. Its totient is φ = 57208704.

The previous prime is 86409971. The next prime is 86410019. The reversal of 86409995 is 59990468.

It is an interprime number because it is at equal distance from previous prime (86409971) and next prime (86410019).

It is not a de Polignac number, because 86409995 - 26 = 86409931 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 41552 + ... + 43581.

It is an arithmetic number, because the mean of its divisors is an integer number (7662060).

Almost surely, 286409995 is an apocalyptic number.

86409995 is a deficient number, since it is larger than the sum of its proper divisors (36182965).

86409995 is a wasteful number, since it uses less digits than its factorization.

86409995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85174.

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 86409995 is about 9295.6976607461. The cubic root of 86409995 is about 442.1008263531.

The spelling of 86409995 in words is "eighty-six million, four hundred nine thousand, nine hundred ninety-five".

Divisors: 1 5 7 29 35 145 203 1015 85133 425665 595931 2468857 2979655 12344285 17281999 86409995