Base | Representation |
---|---|
bin | 110101000101… |
… | …0001011010000 |
3 | 1221100212010122 |
4 | 1222022023100 |
5 | 24111011234 |
6 | 2432245412 |
7 | 455353643 |
oct | 152121320 |
9 | 57325118 |
10 | 27828944 |
11 | 14788330 |
12 | 93a0868 |
13 | 59c4a40 |
14 | 39a5a5a |
15 | 269a92e |
hex | 1a8a2d0 |
27828944 has 40 divisors (see below), whose sum is σ = 63350112. Its totient is φ = 11675520.
The previous prime is 27828937. The next prime is 27828961. The reversal of 27828944 is 44982872.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is a junction number, because it is equal to n+sod(n) for n = 27828895 and 27828904.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3794 + ... + 8369.
Almost surely, 227828944 is an apocalyptic number.
It is an amenable number.
27828944 is an abundant number, since it is smaller than the sum of its proper divisors (35521168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27828944 is a wasteful number, since it uses less digits than its factorization.
27828944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12195 (or 12189 counting only the distinct ones).
The product of its digits is 258048, while the sum is 44.
The square root of 27828944 is about 5275.3145877758. The cubic root of 27828944 is about 303.0392684749.
The spelling of 27828944 in words is "twenty-seven million, eight hundred twenty-eight thousand, nine hundred forty-four".
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