Base | Representation |
---|---|
bin | 1100111111011… |
… | …10100011011000 |
3 | 21121001210001121 |
4 | 12133232203120 |
5 | 210344333230 |
6 | 14451455024 |
7 | 2462214142 |
oct | 637564330 |
9 | 247053047 |
10 | 108980440 |
11 | 56575688 |
12 | 305b7474 |
13 | 1976928a |
14 | 1068bc92 |
15 | 987a77a |
hex | 67ee8d8 |
108980440 has 32 divisors (see below), whose sum is σ = 255869280. Its totient is φ = 41696512.
The previous prime is 108980423. The next prime is 108980449. The reversal of 108980440 is 44089801.
It is a junction number, because it is equal to n+sod(n) for n = 108980396 and 108980405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (108980449) 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, 58309 + ... + 60148.
It is an arithmetic number, because the mean of its divisors is an integer number (7995915).
Almost surely, 2108980440 is an apocalyptic number.
108980440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
108980440 is an abundant number, since it is smaller than the sum of its proper divisors (146888840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108980440 is a wasteful number, since it uses less digits than its factorization.
108980440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118491 (or 118487 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 34.
The square root of 108980440 is about 10439.3697127748. The cubic root of 108980440 is about 477.6570429058.
The spelling of 108980440 in words is "one hundred eight million, nine hundred eighty thousand, four hundred forty".
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