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86195144 = 2371539199
BaseRepresentation
bin1010010001100…
…11101111001000
320000012011111202
411020303233020
5134031221034
612315243332
72064434540
oct510635710
9200164452
1086195144
1144722762
1224a49548
1314b1c159
14b63a320
15787947e
hex5233bc8

86195144 has 16 divisors (see below), whose sum is σ = 184704000. Its totient is φ = 36940752.

The previous prime is 86195143. The next prime is 86195171. The reversal of 86195144 is 44159168.

It is a junction number, because it is equal to n+sod(n) for n = 86195098 and 86195107.

It is not an unprimeable number, because it can be changed into a prime (86195143) 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, 769544 + ... + 769655.

It is an arithmetic number, because the mean of its divisors is an integer number (11544000).

Almost surely, 286195144 is an apocalyptic number.

It is an amenable number.

86195144 is an abundant number, since it is smaller than the sum of its proper divisors (98508856).

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

86195144 is a wasteful number, since it uses less digits than its factorization.

86195144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539212 (or 1539208 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 86195144 is about 9284.1339930012. The cubic root of 86195144 is about 441.7341070546.

The spelling of 86195144 in words is "eighty-six million, one hundred ninety-five thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 1539199 3078398 6156796 10774393 12313592 21548786 43097572 86195144