Base | Representation |
---|---|
bin | 1000101010101110010101 |
3 | 11021102210200 |
4 | 20222232111 |
5 | 1040202044 |
6 | 120411113 |
7 | 25212225 |
oct | 10525625 |
9 | 4242720 |
10 | 2272149 |
11 | 1312110 |
12 | 916a99 |
13 | 617289 |
14 | 432085 |
15 | 2ed369 |
hex | 22ab95 |
2272149 has 24 divisors (see below), whose sum is σ = 3650400. Its totient is φ = 1350240.
The previous prime is 2272141. The next prime is 2272177. The reversal of 2272149 is 9412722.
2272149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2272149 - 23 = 2272141 is a prime.
It is a super-2 number, since 2×22721492 = 10325322156402, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2272141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5647 + ... + 6035.
It is an arithmetic number, because the mean of its divisors is an integer number (152100).
22272149 is an apocalyptic number.
It is an amenable number.
2272149 is a deficient number, since it is larger than the sum of its proper divisors (1378251).
2272149 is a wasteful number, since it uses less digits than its factorization.
2272149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 465 (or 462 counting only the distinct ones).
The product of its digits is 2016, while the sum is 27.
The square root of 2272149 is about 1507.3649193211. The cubic root of 2272149 is about 131.4656427854.
The spelling of 2272149 in words is "two million, two hundred seventy-two thousand, one hundred forty-nine".
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