Base | Representation |
---|---|
bin | 1100110101000… |
… | …1001110111101 |
3 | 10202020211121000 |
4 | 3031101032331 |
5 | 102233410414 |
6 | 5201200513 |
7 | 1222243533 |
oct | 315211675 |
9 | 122224530 |
10 | 53810109 |
11 | 28413371 |
12 | 16030139 |
13 | b1c0702 |
14 | 720a153 |
15 | 4acdb09 |
hex | 33513bd |
53810109 has 32 divisors (see below), whose sum is σ = 86832000. Its totient is φ = 32804352.
The previous prime is 53810101. The next prime is 53810111. The reversal of 53810109 is 90101835.
It is not a de Polignac number, because 53810109 - 23 = 53810101 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53810101) 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, 13069 + ... + 16685.
It is an arithmetic number, because the mean of its divisors is an integer number (2713500).
Almost surely, 253810109 is an apocalyptic number.
It is an amenable number.
53810109 is a deficient number, since it is larger than the sum of its proper divisors (33021891).
53810109 is a wasteful number, since it uses less digits than its factorization.
53810109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3674 (or 3668 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 27.
The square root of 53810109 is about 7335.5374036263. The cubic root of 53810109 is about 377.5327433844.
The spelling of 53810109 in words is "fifty-three million, eight hundred ten thousand, one hundred nine".
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