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86361884 = 22729106357
BaseRepresentation
bin1010010010111…
…00011100011100
320000111122020022
411021130130130
5134102040014
612323011312
72066030630
oct511343434
9200448208
1086361884
1144826a64
1224b09b38
1314b7a00b
14b680dc0
1578ada8e
hex525c71c

86361884 has 24 divisors (see below), whose sum is σ = 178681440. Its totient is φ = 35735616.

The previous prime is 86361851. The next prime is 86361893. The reversal of 86361884 is 48816368.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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, 52367 + ... + 53990.

It is an arithmetic number, because the mean of its divisors is an integer number (7445060).

Almost surely, 286361884 is an apocalyptic number.

It is an amenable number.

86361884 is an abundant number, since it is smaller than the sum of its proper divisors (92319556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86361884 is a wasteful number, since it uses less digits than its factorization.

86361884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106397 (or 106395 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 86361884 is about 9293.1094903697. The cubic root of 86361884 is about 442.0187607633.

The spelling of 86361884 in words is "eighty-six million, three hundred sixty-one thousand, eight hundred eighty-four".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 106357 212714 425428 744499 1488998 2977996 3084353 6168706 12337412 21590471 43180942 86361884