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86989668 = 22347891733
BaseRepresentation
bin1010010111101…
…01101101100100
320001200112101120
411023311231210
5134232132133
612344253540
72104254123
oct513655544
9201615346
1086989668
1145115697
12251712b0
131503999c
14b7a5aba
157984ab3
hex52f5b64

86989668 has 48 divisors (see below), whose sum is σ = 209744640. Its totient is φ = 28044544.

The previous prime is 86989667. The next prime is 86989699. The reversal of 86989668 is 86698968.

It is not an unprimeable number, because it can be changed into a prime (86989667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49330 + ... + 51062.

It is an arithmetic number, because the mean of its divisors is an integer number (4369680).

Almost surely, 286989668 is an apocalyptic number.

It is an amenable number.

86989668 is an abundant number, since it is smaller than the sum of its proper divisors (122754972).

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

86989668 is a wasteful number, since it uses less digits than its factorization.

86989668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876 (or 1874 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 60.

The square root of 86989668 is about 9326.8251833086. The cubic root of 86989668 is about 443.0872206382.

The spelling of 86989668 in words is "eighty-six million, nine hundred eighty-nine thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 47 89 94 141 178 188 267 282 356 534 564 1068 1733 3466 4183 5199 6932 8366 10398 12549 16732 20796 25098 50196 81451 154237 162902 244353 308474 325804 462711 488706 616948 925422 977412 1850844 7249139 14498278 21747417 28996556 43494834 86989668