Base | Representation |
---|---|
bin | 1100111100111… |
… | …11010111010000 |
3 | 21120110022010021 |
4 | 12132133113100 |
5 | 210303443310 |
6 | 14440513224 |
7 | 2456363401 |
oct | 636372720 |
9 | 246408107 |
10 | 108656080 |
11 | 56373a15 |
12 | 3047b814 |
13 | 19684750 |
14 | 106059a8 |
15 | 98145da |
hex | 679f5d0 |
108656080 has 80 divisors (see below), whose sum is σ = 273982464. Its totient is φ = 39836160.
The previous prime is 108656077. The next prime is 108656101. The reversal of 108656080 is 80656801.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×1086560802 = 23612287441932800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198367 + ... + 198913.
Almost surely, 2108656080 is an apocalyptic number.
108656080 is a gapful number since it is divisible by the number (10) 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 108656080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136991232).
108656080 is an abundant number, since it is smaller than the sum of its proper divisors (165326384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108656080 is a wasteful number, since it uses less digits than its factorization.
108656080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 764 (or 758 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 34.
The square root of 108656080 is about 10423.8227152998. The cubic root of 108656080 is about 477.1826862149.
The spelling of 108656080 in words is "one hundred eight million, six hundred fifty-six thousand, eighty".
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