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86409384 = 2334877393
BaseRepresentation
bin1010010011010…
…00000010101000
320000121001101120
411021220002220
5134110100014
612324015240
72066316255
oct511500250
9200531346
1086409384
1144859716
1224b31520
1314b95819
14b69442c
1578bcba9
hex52680a8

86409384 has 32 divisors (see below), whose sum is σ = 216496320. Its totient is φ = 28740096.

The previous prime is 86409383. The next prime is 86409409. The reversal of 86409384 is 48390468.

It is not an unprimeable number, because it can be changed into a prime (86409383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7992 + ... + 15384.

It is an arithmetic number, because the mean of its divisors is an integer number (6765510).

Almost surely, 286409384 is an apocalyptic number.

It is an amenable number.

86409384 is an abundant number, since it is smaller than the sum of its proper divisors (130086936).

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

86409384 is a wasteful number, since it uses less digits than its factorization.

86409384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7889 (or 7885 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 86409384 is about 9295.6647960219. The cubic root of 86409384 is about 442.0997843276.

The spelling of 86409384 in words is "eighty-six million, four hundred nine thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 487 974 1461 1948 2922 3896 5844 7393 11688 14786 22179 29572 44358 59144 88716 177432 3600391 7200782 10801173 14401564 21602346 28803128 43204692 86409384