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86858023 = 755722277
BaseRepresentation
bin1010010110101…
…01100100100111
320001102211210211
411023111210213
5134213424043
612341400251
72103165250
oct513254447
9201384724
1086858023
114503579a
1225109087
1314cc1aa5
14b76db27
15795aa9d
hex52d5927

86858023 has 8 divisors (see below), whose sum is σ = 99448992. Its totient is φ = 74312736.

The previous prime is 86858017. The next prime is 86858027. The reversal of 86858023 is 32085868.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-86858023 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 (86858027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7240 + ... + 15037.

It is an arithmetic number, because the mean of its divisors is an integer number (12431124).

Almost surely, 286858023 is an apocalyptic number.

86858023 is a deficient number, since it is larger than the sum of its proper divisors (12590969).

86858023 is a wasteful number, since it uses less digits than its factorization.

86858023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22841.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 86858023 is about 9319.7651794452. The cubic root of 86858023 is about 442.8635938261.

The spelling of 86858023 in words is "eighty-six million, eight hundred fifty-eight thousand, twenty-three".

Divisors: 1 7 557 3899 22277 155939 12408289 86858023