Base | Representation |
---|---|
bin | 1100111110100… |
… | …10111101110000 |
3 | 21120212001001102 |
4 | 12133102331300 |
5 | 210332224230 |
6 | 14445223532 |
7 | 2461233533 |
oct | 637227560 |
9 | 246761042 |
10 | 108867440 |
11 | 564a87a0 |
12 | 30561ba8 |
13 | 19729a06 |
14 | 1065ca1a |
15 | 9857045 |
hex | 67d2f70 |
108867440 has 80 divisors (see below), whose sum is σ = 277991136. Its totient is φ = 39321600.
The previous prime is 108867427. The next prime is 108867457. The reversal of 108867440 is 44768801.
It is a tau number, because it is divible by the number of its divisors (80).
It is a junction number, because it is equal to n+sod(n) for n = 108867394 and 108867403.
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, 169520 + ... + 170160.
Almost surely, 2108867440 is an apocalyptic number.
108867440 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 108867440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138995568).
108867440 is an abundant number, since it is smaller than the sum of its proper divisors (169123696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108867440 is a wasteful number, since it uses less digits than its factorization.
108867440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 858 (or 852 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 38.
The square root of 108867440 is about 10433.9561049489. The cubic root of 108867440 is about 477.4918942732.
The spelling of 108867440 in words is "one hundred eight million, eight hundred sixty-seven thousand, four hundred forty".
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