Base | Representation |
---|---|
bin | 110111000111… |
… | …1010001001000 |
3 | 2000101012010020 |
4 | 1232033101020 |
5 | 24344222001 |
6 | 2511220440 |
7 | 500426553 |
oct | 156172110 |
9 | 60335106 |
10 | 28898376 |
11 | 15348861 |
12 | 9817720 |
13 | 5caa740 |
14 | 3ba369a |
15 | 280c736 |
hex | 1b8f448 |
28898376 has 32 divisors (see below), whose sum is σ = 77804160. Its totient is φ = 8891712.
The previous prime is 28898357. The next prime is 28898381. The reversal of 28898376 is 67389882.
It is a super-2 number, since 2×288983762 = 1670232270874752, which contains 22 as substring.
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, 46000 + ... + 46623.
It is an arithmetic number, because the mean of its divisors is an integer number (2431380).
Almost surely, 228898376 is an apocalyptic number.
28898376 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
It is an amenable number.
28898376 is an abundant number, since it is smaller than the sum of its proper divisors (48905784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28898376 is a wasteful number, since it uses less digits than its factorization.
28898376 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92645 (or 92641 counting only the distinct ones).
The product of its digits is 1161216, while the sum is 51.
The square root of 28898376 is about 5375.7209749019. The cubic root of 28898376 is about 306.8723876953.
The spelling of 28898376 in words is "twenty-eight million, eight hundred ninety-eight thousand, three hundred seventy-six".
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