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86216408 = 2318615791
BaseRepresentation
bin1010010001110…
…00111011011000
320000020020200022
411020320323120
5134032411113
612315530012
72064553535
oct510707330
9200206608
1086216408
1144737733
1224a59908
1314b28a35
14b643d8c
157880908
hex5238ed8

86216408 has 16 divisors (see below), whose sum is σ = 161770560. Its totient is φ = 43077600.

The previous prime is 86216407. The next prime is 86216447. The reversal of 86216408 is 80461268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86216407) 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, 11993 + ... + 17783.

It is an arithmetic number, because the mean of its divisors is an integer number (10110660).

Almost surely, 286216408 is an apocalyptic number.

It is an amenable number.

86216408 is a deficient number, since it is larger than the sum of its proper divisors (75554152).

86216408 is a wasteful number, since it uses less digits than its factorization.

86216408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7658 (or 7654 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 86216408 is about 9285.2791018903. The cubic root of 86216408 is about 441.7704287518.

The spelling of 86216408 in words is "eighty-six million, two hundred sixteen thousand, four hundred eight".

Divisors: 1 2 4 8 1861 3722 5791 7444 11582 14888 23164 46328 10777051 21554102 43108204 86216408