Base | Representation |
---|---|
bin | 110101011101… |
… | …0100000111110 |
3 | 1221201220201220 |
4 | 1222322200332 |
5 | 24133330232 |
6 | 2440414210 |
7 | 460140126 |
oct | 152724076 |
9 | 57656656 |
10 | 28026942 |
11 | 14903069 |
12 | 9477366 |
13 | 5a63bb8 |
14 | 3a17c86 |
15 | 26d942c |
hex | 1aba83e |
28026942 has 32 divisors (see below), whose sum is σ = 57238272. Its totient is φ = 9147264.
The previous prime is 28026941. The next prime is 28026953. The reversal of 28026942 is 24962082.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28026941) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82998 + ... + 83334.
It is an arithmetic number, because the mean of its divisors is an integer number (1788696).
Almost surely, 228026942 is an apocalyptic number.
28026942 is an abundant number, since it is smaller than the sum of its proper divisors (29211330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28026942 is a wasteful number, since it uses less digits than its factorization.
28026942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 592.
The product of its (nonzero) digits is 13824, while the sum is 33.
The square root of 28026942 is about 5294.0477897352. The cubic root of 28026942 is about 303.7562609423.
The spelling of 28026942 in words is "twenty-eight million, twenty-six thousand, nine hundred forty-two".
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