Base | Representation |
---|---|
bin | 1100111110101… |
… | …10011111001000 |
3 | 21120212202211122 |
4 | 12133112133020 |
5 | 210333204424 |
6 | 14445414412 |
7 | 2461323560 |
oct | 637263710 |
9 | 246782748 |
10 | 108881864 |
11 | 56508613 |
12 | 3056a408 |
13 | 19733450 |
14 | 10663da0 |
15 | 985b45e |
hex | 67d67c8 |
108881864 has 32 divisors (see below), whose sum is σ = 251267520. Its totient is φ = 43073856.
The previous prime is 108881849. The next prime is 108881867. The reversal of 108881864 is 468188801.
It is a happy number.
It is a super-2 number, since 2×1088818642 = 23710520616228992, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (108881867) 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, 74054 + ... + 75509.
It is an arithmetic number, because the mean of its divisors is an integer number (7852110).
Almost surely, 2108881864 is an apocalyptic number.
108881864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
108881864 is an abundant number, since it is smaller than the sum of its proper divisors (142385656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108881864 is a wasteful number, since it uses less digits than its factorization.
108881864 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149589 (or 149585 counting only the distinct ones).
The product of its (nonzero) digits is 98304, while the sum is 44.
The square root of 108881864 is about 10434.6472868037. The cubic root of 108881864 is about 477.5129811991.
The spelling of 108881864 in words is "one hundred eight million, eight hundred eighty-one thousand, eight hundred sixty-four".
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