Base | Representation |
---|---|
bin | 110110000001… |
… | …1011111000010 |
3 | 1222022002201200 |
4 | 1230003133002 |
5 | 24222411301 |
6 | 2451042030 |
7 | 462523404 |
oct | 154033702 |
9 | 58262650 |
10 | 28325826 |
11 | 14a97681 |
12 | 95a0316 |
13 | 5b39c59 |
14 | 3a94b74 |
15 | 2747c86 |
hex | 1b037c2 |
28325826 has 24 divisors (see below), whose sum is σ = 61860864. Its totient is φ = 9366840.
The previous prime is 28325821. The next prime is 28325849. The reversal of 28325826 is 62852382.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (28325821) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3910 + ... + 8481.
It is an arithmetic number, because the mean of its divisors is an integer number (2577536).
Almost surely, 228325826 is an apocalyptic number.
28325826 is an abundant number, since it is smaller than the sum of its proper divisors (33535038).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28325826 is a wasteful number, since it uses less digits than its factorization.
28325826 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12526 (or 12523 counting only the distinct ones).
The product of its digits is 46080, while the sum is 36.
The square root of 28325826 is about 5322.2012363307. The cubic root of 28325826 is about 304.8322144429.
The spelling of 28325826 in words is "twenty-eight million, three hundred twenty-five thousand, eight hundred twenty-six".
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