Base | Representation |
---|---|
bin | 1000000110110001101101 |
3 | 10222221211100 |
4 | 20012301231 |
5 | 1020444114 |
6 | 113313313 |
7 | 24030033 |
oct | 10066155 |
9 | 3887740 |
10 | 2124909 |
11 | 1221526 |
12 | 865839 |
13 | 595257 |
14 | 3d4553 |
15 | 2be909 |
hex | 206c6d |
2124909 has 12 divisors (see below), whose sum is σ = 3088800. Its totient is φ = 1407624.
The previous prime is 2124887. The next prime is 2124919. The reversal of 2124909 is 9094212.
It is not a de Polignac number, because 2124909 - 25 = 2124877 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2124919) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 952 + ... + 2270.
It is an arithmetic number, because the mean of its divisors is an integer number (257400).
22124909 is an apocalyptic number.
It is an amenable number.
2124909 is a deficient number, since it is larger than the sum of its proper divisors (963891).
2124909 is a wasteful number, since it uses less digits than its factorization.
2124909 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1504 (or 1501 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 27.
The square root of 2124909 is about 1457.7067606347. The cubic root of 2124909 is about 128.5622443175.
The spelling of 2124909 in words is "two million, one hundred twenty-four thousand, nine hundred nine".
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