Base | Representation |
---|---|
bin | 1000001100101110011000 |
3 | 11001012020200 |
4 | 20030232120 |
5 | 1022234042 |
6 | 114022200 |
7 | 24161046 |
oct | 10145630 |
9 | 4035220 |
10 | 2149272 |
11 | 1238864 |
12 | 877960 |
13 | 5a3378 |
14 | 3dd396 |
15 | 2c6c4c |
hex | 20cb98 |
2149272 has 24 divisors (see below), whose sum is σ = 5821140. Its totient is φ = 716400.
The previous prime is 2149249. The next prime is 2149283. The reversal of 2149272 is 2729412.
It is a tau number, because it is divible by the number of its divisors (24).
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14854 + ... + 14997.
22149272 is an apocalyptic number.
It is an amenable number.
2149272 is an abundant number, since it is smaller than the sum of its proper divisors (3671868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2149272 is a wasteful number, since it uses less digits than its factorization.
2149272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29863 (or 29856 counting only the distinct ones).
The product of its digits is 2016, while the sum is 27.
The square root of 2149272 is about 1466.0395629041. The cubic root of 2149272 is about 129.0517189411.
The spelling of 2149272 in words is "two million, one hundred forty-nine thousand, two hundred seventy-two".
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