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86237387 = 292973703
BaseRepresentation
bin1010010001111…
…10000011001011
320000021022110022
411020332003023
5134034044022
612320211055
72065001645
oct510760313
9200238408
1086237387
1144751475
1224a69a8b
1314b35452
14b64b895
157886c42
hex523e0cb

86237387 has 4 divisors (see below), whose sum is σ = 89211120. Its totient is φ = 83263656.

The previous prime is 86237383. The next prime is 86237441. The reversal of 86237387 is 78373268.

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 86237387 - 22 = 86237383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86237383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1486823 + ... + 1486880.

It is an arithmetic number, because the mean of its divisors is an integer number (22302780).

Almost surely, 286237387 is an apocalyptic number.

86237387 is a deficient number, since it is larger than the sum of its proper divisors (2973733).

86237387 is a wasteful number, since it uses less digits than its factorization.

86237387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2973732.

The product of its digits is 338688, while the sum is 44.

The square root of 86237387 is about 9286.4087245824. The cubic root of 86237387 is about 441.8062577794.

The spelling of 86237387 in words is "eighty-six million, two hundred thirty-seven thousand, three hundred eighty-seven".

Divisors: 1 29 2973703 86237387