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86625 = 3253711
BaseRepresentation
bin10101001001100001
311101211100
4111021201
510233000
61505013
7510360
oct251141
9141740
1086625
115a0a0
1242169
1330576
14237d7
151aa00
hex15261

86625 has 48 divisors (see below), whose sum is σ = 194688. Its totient is φ = 36000.

The previous prime is 86599. The next prime is 86627. The reversal of 86625 is 52668.

It is not a de Polignac number, because 86625 - 26 = 86561 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 86625.

It is not an unprimeable number, because it can be changed into a prime (86627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7870 + ... + 7880.

It is an arithmetic number, because the mean of its divisors is an integer number (4056).

286625 is an apocalyptic number.

It is an amenable number.

86625 is an abundant number, since it is smaller than the sum of its proper divisors (108063).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97344).

86625 is a wasteful number, since it uses less digits than its factorization.

86625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39 (or 26 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 86625 is about 294.3212530552. The cubic root of 86625 is about 44.2467200480.

The spelling of 86625 in words is "eighty-six thousand, six hundred twenty-five".

Divisors: 1 3 5 7 9 11 15 21 25 33 35 45 55 63 75 77 99 105 125 165 175 225 231 275 315 375 385 495 525 693 825 875 1125 1155 1375 1575 1925 2475 2625 3465 4125 5775 7875 9625 12375 17325 28875 86625