Base | Representation |
---|---|
bin | 1101000011111… |
… | …11110011011110 |
3 | 21122012000011210 |
4 | 12201333303132 |
5 | 211022403030 |
6 | 14512325250 |
7 | 2500242531 |
oct | 641776336 |
9 | 248160153 |
10 | 109575390 |
11 | 56941681 |
12 | 30843826 |
13 | 19917012 |
14 | 107a4a18 |
15 | 9946bb0 |
hex | 687fcde |
109575390 has 64 divisors (see below), whose sum is σ = 276203520. Its totient is φ = 27784320.
The previous prime is 109575379. The next prime is 109575407. The reversal of 109575390 is 93575901.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53872 + ... + 55868.
It is an arithmetic number, because the mean of its divisors is an integer number (4315680).
Almost surely, 2109575390 is an apocalyptic number.
109575390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 109575390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138101760).
109575390 is an abundant number, since it is smaller than the sum of its proper divisors (166628130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109575390 is a wasteful number, since it uses less digits than its factorization.
109575390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2097.
The product of its (nonzero) digits is 42525, while the sum is 39.
The square root of 109575390 is about 10467.8264219464. The cubic root of 109575390 is about 478.5246801974.
The spelling of 109575390 in words is "one hundred nine million, five hundred seventy-five thousand, three hundred ninety".
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