Base | Representation |
---|---|
bin | 1101000111001… |
… | …01111000010000 |
3 | 21122222020200220 |
4 | 12203211320100 |
5 | 211124242423 |
6 | 14525313040 |
7 | 2503633503 |
oct | 643457020 |
9 | 248866626 |
10 | 109993488 |
11 | 570a7810 |
12 | 30a05780 |
13 | 19a32407 |
14 | 1087313a |
15 | 99ca9e3 |
hex | 68e5e10 |
109993488 has 80 divisors (see below), whose sum is σ = 317604672. Its totient is φ = 32512000.
The previous prime is 109993483. The next prime is 109993511. The reversal of 109993488 is 884399901.
It is a happy number.
It is a super-2 number, since 2×1099934882 = 24197134804812288, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 109993488.
It is not an unprimeable number, because it can be changed into a prime (109993483) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19108 + ... + 24188.
Almost surely, 2109993488 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 109993488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158802336).
109993488 is an abundant number, since it is smaller than the sum of its proper divisors (207611184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109993488 is a wasteful number, since it uses less digits than its factorization.
109993488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5144 (or 5138 counting only the distinct ones).
The product of its (nonzero) digits is 559872, while the sum is 51.
The square root of 109993488 is about 10487.7780296877. The cubic root of 109993488 is about 479.1325304512.
The spelling of 109993488 in words is "one hundred nine million, nine hundred ninety-three thousand, four hundred eighty-eight".
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