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86893884 = 223871143
BaseRepresentation
bin1010010110111…
…10010100111100
320001111200000000
411023132110330
5134221101014
612342234300
72103404640
oct513362474
9201450000
1086893884
114505a730
1225125990
13150051cc
14b77cc20
157966509
hex52de53c

86893884 has 216 divisors, whose sum is σ = 290978688. Its totient is φ = 22044960.

The previous prime is 86893867. The next prime is 86893903. The reversal of 86893884 is 48839868.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 86893884.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2020767 + ... + 2020809.

Almost surely, 286893884 is an apocalyptic number.

86893884 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86893884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145489344).

86893884 is an abundant number, since it is smaller than the sum of its proper divisors (204084804).

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

86893884 is a wasteful number, since it uses less digits than its factorization.

86893884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 66 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 86893884 is about 9321.6889027686. The cubic root of 86893884 is about 442.9245336818.

The spelling of 86893884 in words is "eighty-six million, eight hundred ninety-three thousand, eight hundred eighty-four".