Base | Representation |
---|---|
bin | 110111001111… |
… | …0000010111100 |
3 | 2000111021011011 |
4 | 1232132002330 |
5 | 24403141113 |
6 | 2512405004 |
7 | 501101206 |
oct | 156360274 |
9 | 60437134 |
10 | 28958908 |
11 | 1538a290 |
12 | 9846764 |
13 | 5ccc164 |
14 | 3bbb776 |
15 | 282063d |
hex | 1b9e0bc |
28958908 has 24 divisors (see below), whose sum is σ = 55810944. Its totient is φ = 13038000.
The previous prime is 28958893. The next prime is 28958947. The reversal of 28958908 is 80985982.
It is a happy number.
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, 1633 + ... + 7783.
It is an arithmetic number, because the mean of its divisors is an integer number (2325456).
Almost surely, 228958908 is an apocalyptic number.
It is an amenable number.
28958908 is a deficient number, since it is larger than the sum of its proper divisors (26852036).
28958908 is a wasteful number, since it uses less digits than its factorization.
28958908 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6273 (or 6271 counting only the distinct ones).
The product of its (nonzero) digits is 414720, while the sum is 49.
The square root of 28958908 is about 5381.3481582221. The cubic root of 28958908 is about 307.0865017416.
The spelling of 28958908 in words is "twenty-eight million, nine hundred fifty-eight thousand, nine hundred eight".
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