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86989194 = 23310914779
BaseRepresentation
bin1010010111101…
…01100110001010
320001200111202000
411023311212022
5134232123234
612344251430
72104252545
oct513654612
9201614660
1086989194
11451152a6
1225170b76
13150396c6
14b7a585c
157984899
hex52f598a

86989194 has 32 divisors (see below), whose sum is σ = 195096000. Its totient is φ = 28728432.

The previous prime is 86989169. The next prime is 86989211. The reversal of 86989194 is 49198968.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 86989194.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1504 + ... + 13275.

It is an arithmetic number, because the mean of its divisors is an integer number (6096750).

Almost surely, 286989194 is an apocalyptic number.

86989194 is an abundant number, since it is smaller than the sum of its proper divisors (108106806).

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

86989194 is a wasteful number, since it uses less digits than its factorization.

86989194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14899 (or 14893 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The square root of 86989194 is about 9326.7997726980. The cubic root of 86989194 is about 443.0864158540.

The spelling of 86989194 in words is "eighty-six million, nine hundred eighty-nine thousand, one hundred ninety-four".

Divisors: 1 2 3 6 9 18 27 54 109 218 327 654 981 1962 2943 5886 14779 29558 44337 88674 133011 266022 399033 798066 1610911 3221822 4832733 9665466 14498199 28996398 43494597 86989194