Base | Representation |
---|---|
bin | 1100011010000… |
… | …10001110110001 |
3 | 21020211211100010 |
4 | 12031002032301 |
5 | 203121032210 |
6 | 14154445133 |
7 | 2402445060 |
oct | 615021661 |
9 | 236754303 |
10 | 104080305 |
11 | 5382908a |
12 | 2aa337a9 |
13 | 18741aa4 |
14 | db741d7 |
15 | 920d920 |
hex | 63423b1 |
104080305 has 32 divisors (see below), whose sum is σ = 190713600. Its totient is φ = 47480832.
The previous prime is 104080303. The next prime is 104080337. The reversal of 104080305 is 503080401.
It is not a de Polignac number, because 104080305 - 21 = 104080303 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (104080303) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80101 + ... + 81389.
It is an arithmetic number, because the mean of its divisors is an integer number (5959800).
Almost surely, 2104080305 is an apocalyptic number.
104080305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
104080305 is a deficient number, since it is larger than the sum of its proper divisors (86633295).
104080305 is a wasteful number, since it uses less digits than its factorization.
104080305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2073.
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 104080305 is about 10201.9755439817. The cubic root of 104080305 is about 470.3879473851.
The spelling of 104080305 in words is "one hundred four million, eighty thousand, three hundred five".
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