Base | Representation |
---|---|
bin | 110110001101… |
… | …1111010010100 |
3 | 1222111011222020 |
4 | 1230123322110 |
5 | 24234112001 |
6 | 2453133140 |
7 | 463421163 |
oct | 154337224 |
9 | 58434866 |
10 | 28425876 |
11 | 15055866 |
12 | 962a1b0 |
13 | 5b7365b |
14 | 3abd3da |
15 | 2767736 |
hex | 1b1be94 |
28425876 has 24 divisors (see below), whose sum is σ = 66444000. Its totient is φ = 9458592.
The previous prime is 28425871. The next prime is 28425883. The reversal of 28425876 is 67852482.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28425871) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6375 + ... + 9873.
It is an arithmetic number, because the mean of its divisors is an integer number (2768500).
Almost surely, 228425876 is an apocalyptic number.
It is an amenable number.
28425876 is an abundant number, since it is smaller than the sum of its proper divisors (38018124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28425876 is a wasteful number, since it uses less digits than its factorization.
28425876 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4183 (or 4181 counting only the distinct ones).
The product of its digits is 215040, while the sum is 42.
The square root of 28425876 is about 5331.5922574781. The cubic root of 28425876 is about 305.1906932548.
The spelling of 28425876 in words is "twenty-eight million, four hundred twenty-five thousand, eight hundred seventy-six".
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