Base | Representation |
---|---|
bin | 1101000001101… |
… | …01010100010010 |
3 | 21121121111122210 |
4 | 12200311110102 |
5 | 210433122130 |
6 | 14502012550 |
7 | 2464532163 |
oct | 640652422 |
9 | 247544583 |
10 | 109270290 |
11 | 56753428 |
12 | 30717156 |
13 | 1983b19c |
14 | 1072576a |
15 | 98d65b0 |
hex | 6835512 |
109270290 has 16 divisors (see below), whose sum is σ = 262248768. Its totient is φ = 29138736.
The previous prime is 109270279. The next prime is 109270297. The reversal of 109270290 is 92072901.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 3642343 = 109270290 / (1 + 0 + 9 + 2 + 7 + 0 + 2 + 9 + 0).
It is not an unprimeable number, because it can be changed into a prime (109270297) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1821142 + ... + 1821201.
It is an arithmetic number, because the mean of its divisors is an integer number (16390548).
Almost surely, 2109270290 is an apocalyptic number.
109270290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
109270290 is an abundant number, since it is smaller than the sum of its proper divisors (152978478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109270290 is a wasteful number, since it uses less digits than its factorization.
109270290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3642353.
The product of its (nonzero) digits is 2268, while the sum is 30.
The square root of 109270290 is about 10453.2430374501. The cubic root of 109270290 is about 478.0801351384.
The spelling of 109270290 in words is "one hundred nine million, two hundred seventy thousand, two hundred ninety".
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