Base | Representation |
---|---|
bin | 1101000100010… |
… | …10110111001111 |
3 | 21122021022022110 |
4 | 12202022313033 |
5 | 211030330222 |
6 | 14513315103 |
7 | 2500521561 |
oct | 642126717 |
9 | 248238273 |
10 | 109620687 |
11 | 56972710 |
12 | 30865a93 |
13 | 19931817 |
14 | 107b7331 |
15 | 995530c |
hex | 688adcf |
109620687 has 16 divisors (see below), whose sum is σ = 160618752. Its totient is φ = 65949120.
The previous prime is 109620683. The next prime is 109620701. The reversal of 109620687 is 786026901.
It is not a de Polignac number, because 109620687 - 22 = 109620683 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (109620683) 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, 7603 + ... + 16644.
It is an arithmetic number, because the mean of its divisors is an integer number (10038672).
Almost surely, 2109620687 is an apocalyptic number.
109620687 is a deficient number, since it is larger than the sum of its proper divisors (50998065).
109620687 is a wasteful number, since it uses less digits than its factorization.
109620687 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24398.
The product of its (nonzero) digits is 36288, while the sum is 39.
The square root of 109620687 is about 10469.9898280753. The cubic root of 109620687 is about 478.5906096800.
The spelling of 109620687 in words is "one hundred nine million, six hundred twenty thousand, six hundred eighty-seven".
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