Base | Representation |
---|---|
bin | 110111000111… |
… | …1011100110110 |
3 | 2000101020011000 |
4 | 1232033130312 |
5 | 24344233001 |
6 | 2511224130 |
7 | 500432004 |
oct | 156173466 |
9 | 60336130 |
10 | 28899126 |
11 | 15349383 |
12 | 9818046 |
13 | 5caab99 |
14 | 3ba3a74 |
15 | 280ca86 |
hex | 1b8f736 |
28899126 has 16 divisors (see below), whose sum is σ = 64220400. Its totient is φ = 9633024.
The previous prime is 28899107. The next prime is 28899149. The reversal of 28899126 is 62199882.
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, 267531 + ... + 267638.
It is an arithmetic number, because the mean of its divisors is an integer number (4013775).
Almost surely, 228899126 is an apocalyptic number.
28899126 is an abundant number, since it is smaller than the sum of its proper divisors (35321274).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28899126 is a wasteful number, since it uses less digits than its factorization.
28899126 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 535180 (or 535174 counting only the distinct ones).
The product of its digits is 124416, while the sum is 45.
The square root of 28899126 is about 5375.7907325341. The cubic root of 28899126 is about 306.8750424270.
The spelling of 28899126 in words is "twenty-eight million, eight hundred ninety-nine thousand, one hundred twenty-six".
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