Base | Representation |
---|---|
bin | 1101000010101… |
… | …11000011010001 |
3 | 21121212112012101 |
4 | 12201113003101 |
5 | 211002032330 |
6 | 14505000401 |
7 | 2465646055 |
oct | 641270321 |
9 | 247775171 |
10 | 109408465 |
11 | 56838221 |
12 | 30783101 |
13 | 1988904a |
14 | 1075dc65 |
15 | 99124ca |
hex | 68570d1 |
109408465 has 8 divisors (see below), whose sum is σ = 132172200. Its totient is φ = 86938752.
The previous prime is 109408427. The next prime is 109408477. The reversal of 109408465 is 564804901.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 6345361 + 103063104 = 2519^2 + 10152^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 109408465 - 211 = 109406417 is a prime.
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, 72684 + ... + 74173.
It is an arithmetic number, because the mean of its divisors is an integer number (16521525).
Almost surely, 2109408465 is an apocalyptic number.
It is an amenable number.
109408465 is a deficient number, since it is larger than the sum of its proper divisors (22763735).
109408465 is a wasteful number, since it uses less digits than its factorization.
109408465 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147011.
The product of its (nonzero) digits is 34560, while the sum is 37.
The square root of 109408465 is about 10459.8501423300. The cubic root of 109408465 is about 478.2815649992.
The spelling of 109408465 in words is "one hundred nine million, four hundred eight thousand, four hundred sixty-five".
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