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86090 = 258609
BaseRepresentation
bin10101000001001010
311101002112
4111001022
510223330
61502322
7505664
oct250112
9141075
1086090
1159754
12419a2
1330254
1423534
151a795
hex1504a

86090 has 8 divisors (see below), whose sum is σ = 154980. Its totient is φ = 34432.

The previous prime is 86083. The next prime is 86111. The reversal of 86090 is 9068.

It can be written as a sum of positive squares in 2 ways, for example, as 82369 + 3721 = 287^2 + 61^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×860902 = 14822976200, which contains 22 as substring.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 86090.

It is an unprimeable number.

86090 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4295 + ... + 4314.

286090 is an apocalyptic number.

86090 is a deficient number, since it is larger than the sum of its proper divisors (68890).

86090 is a wasteful number, since it uses less digits than its factorization.

86090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8616.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 86090 is about 293.4109745732. The cubic root of 86090 is about 44.1554419480.

Subtracting from 86090 its product of nonzero digits (432), we obtain a palindrome (85658).

The spelling of 86090 in words is "eighty-six thousand, ninety".

Divisors: 1 2 5 10 8609 17218 43045 86090