Base | Representation |
---|---|
bin | 110110111110… |
… | …1011000000101 |
3 | 2000020110121001 |
4 | 1231331120011 |
5 | 24334400333 |
6 | 2505453301 |
7 | 500003113 |
oct | 155753005 |
9 | 60213531 |
10 | 28825093 |
11 | 152a87a0 |
12 | 97a1231 |
13 | 5c8328b |
14 | 3b84ab3 |
15 | 27e5b7d |
hex | 1b7d605 |
28825093 has 16 divisors (see below), whose sum is σ = 32472000. Its totient is φ = 25361280.
The previous prime is 28825039. The next prime is 28825117. The reversal of 28825093 is 39052882.
It is a cyclic number.
It is not a de Polignac number, because 28825093 - 29 = 28824581 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28825193) 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, 70273 + ... + 70681.
It is an arithmetic number, because the mean of its divisors is an integer number (2029500).
Almost surely, 228825093 is an apocalyptic number.
It is an amenable number.
28825093 is a deficient number, since it is larger than the sum of its proper divisors (3646907).
28825093 is a wasteful number, since it uses less digits than its factorization.
28825093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 612.
The product of its (nonzero) digits is 34560, while the sum is 37.
The square root of 28825093 is about 5368.9005392166. The cubic root of 28825093 is about 306.6127702752.
The spelling of 28825093 in words is "twenty-eight million, eight hundred twenty-five thousand, ninety-three".
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