Base | Representation |
---|---|
bin | 1000101111010110110100 |
3 | 11022101211110 |
4 | 20233112310 |
5 | 1041303444 |
6 | 121035020 |
7 | 25321443 |
oct | 10572664 |
9 | 4271743 |
10 | 2291124 |
11 | 13253a0 |
12 | 925a70 |
13 | 622ac4 |
14 | 438d5a |
15 | 303cb9 |
hex | 22f5b4 |
2291124 has 48 divisors (see below), whose sum is σ = 6181056. Its totient is φ = 652800.
The previous prime is 2291119. The next prime is 2291131. The reversal of 2291124 is 4211922.
It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 2291124.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1734 + ... + 2754.
It is an arithmetic number, because the mean of its divisors is an integer number (128772).
22291124 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2291124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3090528).
2291124 is an abundant number, since it is smaller than the sum of its proper divisors (3889932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2291124 is a wasteful number, since it uses less digits than its factorization.
2291124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1056 (or 1054 counting only the distinct ones).
The product of its digits is 288, while the sum is 21.
The square root of 2291124 is about 1513.6459295357. The cubic root of 2291124 is about 131.8305907534.
It can be divided in two parts, 2291 and 124, that added together give a triangular number (2415 = T69).
The spelling of 2291124 in words is "two million, two hundred ninety-one thousand, one hundred twenty-four".
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