Base | Representation |
---|---|
bin | 100010110101… |
… | …000010001001 |
3 | 122011212011122 |
4 | 202311002021 |
5 | 4314130441 |
6 | 523405025 |
7 | 140414300 |
oct | 42650211 |
9 | 18155148 |
10 | 9130121 |
11 | 5176660 |
12 | 3083775 |
13 | 1b78950 |
14 | 12d9437 |
15 | c0534b |
hex | 8b5089 |
9130121 has 24 divisors (see below), whose sum is σ = 12487104. Its totient is φ = 6562080.
The previous prime is 9130117. The next prime is 9130123. The reversal of 9130121 is 1210319.
It is a happy number.
It is not a de Polignac number, because 9130121 - 22 = 9130117 is a prime.
It is an Ulam number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 9130121.
It is not an unprimeable number, because it can be changed into a prime (9130123) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6356 + ... + 7658.
It is an arithmetic number, because the mean of its divisors is an integer number (520296).
Almost surely, 29130121 is an apocalyptic number.
9130121 is a gapful number since it is divisible by the number (91) formed by its first and last digit.
It is an amenable number.
9130121 is a deficient number, since it is larger than the sum of its proper divisors (3356983).
9130121 is a wasteful number, since it uses less digits than its factorization.
9130121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1341 (or 1334 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 17.
The square root of 9130121 is about 3021.6090084589. The cubic root of 9130121 is about 209.0060436429.
The spelling of 9130121 in words is "nine million, one hundred thirty thousand, one hundred twenty-one".
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