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86364661 = 191452171
BaseRepresentation
bin1010010010111…
…01000111110101
320000111210001011
411021131013311
5134102132121
612323032221
72066042005
oct511350765
9200453034
1086364661
1144829059
1224b0b671
1314b7b366
14b682005
1578ae7e1
hex525d1f5

86364661 has 4 divisors (see below), whose sum is σ = 86817024. Its totient is φ = 85912300.

The previous prime is 86364653. The next prime is 86364689. The reversal of 86364661 is 16646368.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86364661 - 23 = 86364653 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 (86364611) 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, 225895 + ... + 226276.

It is an arithmetic number, because the mean of its divisors is an integer number (21704256).

Almost surely, 286364661 is an apocalyptic number.

It is an amenable number.

86364661 is a deficient number, since it is larger than the sum of its proper divisors (452363).

86364661 is a wasteful number, since it uses less digits than its factorization.

86364661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452362.

The product of its digits is 124416, while the sum is 40.

The square root of 86364661 is about 9293.2589009454. The cubic root of 86364661 is about 442.0234984743.

It can be divided in two parts, 86364 and 661, that added together give a square (87025 = 2952).

The spelling of 86364661 in words is "eighty-six million, three hundred sixty-four thousand, six hundred sixty-one".

Divisors: 1 191 452171 86364661