Base | Representation |
---|---|
bin | 1101000000100… |
… | …11011111011100 |
3 | 21121100110121022 |
4 | 12200103133130 |
5 | 210414203430 |
6 | 14455023312 |
7 | 2463414224 |
oct | 640233734 |
9 | 247313538 |
10 | 109131740 |
11 | 56669323 |
12 | 3066ab38 |
13 | 197c00c3 |
14 | 106cb084 |
15 | 98aa4e5 |
hex | 68137dc |
109131740 has 24 divisors (see below), whose sum is σ = 230213760. Its totient is φ = 43455168.
The previous prime is 109131733. The next prime is 109131767. The reversal of 109131740 is 47131901.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7775 + ... + 16694.
It is an arithmetic number, because the mean of its divisors is an integer number (9592240).
Almost surely, 2109131740 is an apocalyptic number.
109131740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
109131740 is an abundant number, since it is smaller than the sum of its proper divisors (121082020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109131740 is a wasteful number, since it uses less digits than its factorization.
109131740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24701 (or 24699 counting only the distinct ones).
The product of its (nonzero) digits is 756, while the sum is 26.
The square root of 109131740 is about 10446.6138054395. The cubic root of 109131740 is about 477.8779880341.
The spelling of 109131740 in words is "one hundred nine million, one hundred thirty-one thousand, seven hundred forty".
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