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86811383 = 227382429
BaseRepresentation
bin1010010110010…
…10001011110111
320001100110211102
411023022023313
5134210431013
612340400315
72102612261
oct513121367
9201313742
1086811383
114500374a
12250a609b
1314ca67a9
14b75ab31
15794bd58
hex52ca2f7

86811383 has 4 divisors (see below), whose sum is σ = 87194040. Its totient is φ = 86428728.

The previous prime is 86811379. The next prime is 86811409. The reversal of 86811383 is 38311868.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86811383 - 22 = 86811379 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 (86811313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190988 + ... + 191441.

It is an arithmetic number, because the mean of its divisors is an integer number (21798510).

Almost surely, 286811383 is an apocalyptic number.

86811383 is a deficient number, since it is larger than the sum of its proper divisors (382657).

86811383 is a wasteful number, since it uses less digits than its factorization.

86811383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382656.

The product of its digits is 27648, while the sum is 38.

The square root of 86811383 is about 9317.2626344866. The cubic root of 86811383 is about 442.7843117384.

The spelling of 86811383 in words is "eighty-six million, eight hundred eleven thousand, three hundred eighty-three".

Divisors: 1 227 382429 86811383