Base | Representation |
---|---|
bin | 1100111000101… |
… | …00100110110000 |
3 | 21112101102111012 |
4 | 12130110212300 |
5 | 210132301403 |
6 | 14420410052 |
7 | 2451505400 |
oct | 634244660 |
9 | 245342435 |
10 | 108087728 |
11 | 56015a01 |
12 | 30246928 |
13 | 19515b48 |
14 | 104d8800 |
15 | 9750ed8 |
hex | 67149b0 |
108087728 has 30 divisors (see below), whose sum is σ = 243612756. Its totient is φ = 46322976.
The previous prime is 108087709. The next prime is 108087737. The reversal of 108087728 is 827780801.
It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68150 + ... + 69717.
Almost surely, 2108087728 is an apocalyptic number.
It is an amenable number.
108087728 is an abundant number, since it is smaller than the sum of its proper divisors (135525028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108087728 is a wasteful number, since it uses less digits than its factorization.
108087728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 137889 (or 137876 counting only the distinct ones).
The product of its (nonzero) digits is 50176, while the sum is 41.
The square root of 108087728 is about 10396.5248039910. The cubic root of 108087728 is about 476.3492246922.
The spelling of 108087728 in words is "one hundred eight million, eighty-seven thousand, seven hundred twenty-eight".
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