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86316281 = 611519371
BaseRepresentation
bin1010010010100…
…01010011111001
320000102022200022
411021101103321
5134044110111
612322020225
72065450652
oct511212371
9200368608
1086316281
11447a5777
1224aa7675
1314b6232c
14b66c529
1578a02db
hex52514f9

86316281 has 8 divisors (see below), whose sum is σ = 88321728. Its totient is φ = 84330000.

The previous prime is 86316239. The next prime is 86316287. The reversal of 86316281 is 18261368.

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

It is a cyclic number.

It is not a de Polignac number, because 86316281 - 214 = 86299897 is a prime.

It is a super-2 number, since 2×863162812 = 14901000731341922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86316287) 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 7 ways as a sum of consecutive naturals, for example, 4526 + ... + 13896.

It is an arithmetic number, because the mean of its divisors is an integer number (11040216).

Almost surely, 286316281 is an apocalyptic number.

It is an amenable number.

86316281 is a deficient number, since it is larger than the sum of its proper divisors (2005447).

86316281 is a wasteful number, since it uses less digits than its factorization.

86316281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9583.

The product of its digits is 13824, while the sum is 35.

The square root of 86316281 is about 9290.6555742854. The cubic root of 86316281 is about 441.9409450663.

The spelling of 86316281 in words is "eighty-six million, three hundred sixteen thousand, two hundred eighty-one".

Divisors: 1 61 151 9211 9371 571631 1415021 86316281