Base | Representation |
---|---|
bin | 1100111100110… |
… | …01010111000000 |
3 | 21120102001101110 |
4 | 12132121113000 |
5 | 210302201423 |
6 | 14440203320 |
7 | 2456231610 |
oct | 636312700 |
9 | 246361343 |
10 | 108631488 |
11 | 56357499 |
12 | 30469540 |
13 | 196764b4 |
14 | 105daa40 |
15 | 980c193 |
hex | 67995c0 |
108631488 has 112 divisors (see below), whose sum is σ = 331524864. Its totient is φ = 30750720.
The previous prime is 108631487. The next prime is 108631489. The reversal of 108631488 is 884136801.
It is an interprime number because it is at equal distance from previous prime (108631487) and next prime (108631489).
It is a tau number, because it is divible by the number of its divisors (112).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (108631483) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175756 + ... + 176372.
Almost surely, 2108631488 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 108631488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165762432).
108631488 is an abundant number, since it is smaller than the sum of its proper divisors (222893376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108631488 is a wasteful number, since it uses less digits than its factorization.
108631488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 770 (or 760 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 39.
The square root of 108631488 is about 10422.6430429138. The cubic root of 108631488 is about 477.1466834373.
The spelling of 108631488 in words is "one hundred eight million, six hundred thirty-one thousand, four hundred eighty-eight".
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