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86884975 = 525636173
BaseRepresentation
bin1010010110111…
…00001001101111
320001111012210001
411023130021233
5134220304400
612342125131
72103336652
oct513341157
9201435701
1086884975
1145053a71
12251207a7
1315001138
14b779899
157963a6a
hex52dc26f

86884975 has 12 divisors (see below), whose sum is σ = 107946216. Its totient is φ = 69373280.

The previous prime is 86884939. The next prime is 86884979. The reversal of 86884975 is 57948868.

It is not a de Polignac number, because 86884975 - 29 = 86884463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86884979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10989 + ... + 17161.

It is an arithmetic number, because the mean of its divisors is an integer number (8995518).

Almost surely, 286884975 is an apocalyptic number.

86884975 is a deficient number, since it is larger than the sum of its proper divisors (21061241).

86884975 is a wasteful number, since it uses less digits than its factorization.

86884975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6746 (or 6741 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 55.

The square root of 86884975 is about 9321.2110264708. The cubic root of 86884975 is about 442.9093958710.

The spelling of 86884975 in words is "eighty-six million, eight hundred eighty-four thousand, nine hundred seventy-five".

Divisors: 1 5 25 563 2815 6173 14075 30865 154325 3475399 17376995 86884975