Base | Representation |
---|---|
bin | 1101000010011… |
… | …10010100001000 |
3 | 21121210201010000 |
4 | 12201032110020 |
5 | 210444411210 |
6 | 14504123000 |
7 | 2465436534 |
oct | 641162410 |
9 | 247721100 |
10 | 109372680 |
11 | 5681334a |
12 | 30766460 |
13 | 19875981 |
14 | 10750bc4 |
15 | 9906ac0 |
hex | 684e508 |
109372680 has 80 divisors (see below), whose sum is σ = 367624620. Its totient is φ = 29165184.
The previous prime is 109372673. The next prime is 109372687. The reversal of 109372680 is 86273901.
It is an interprime number because it is at equal distance from previous prime (109372673) and next prime (109372687).
It can be written as a sum of positive squares in 2 ways, for example, as 109369764 + 2916 = 10458^2 + 54^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (109372687) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13639 + ... + 20118.
Almost surely, 2109372680 is an apocalyptic number.
109372680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
109372680 is an abundant number, since it is smaller than the sum of its proper divisors (258251940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109372680 is a wasteful number, since it uses less digits than its factorization.
109372680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33780 (or 33767 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 109372680 is about 10458.1394138728. The cubic root of 109372680 is about 478.2294143356.
The spelling of 109372680 in words is "one hundred nine million, three hundred seventy-two thousand, six hundred eighty".
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