Base | Representation |
---|---|
bin | 110111001111… |
… | …0000011010100 |
3 | 2000111021012001 |
4 | 1232132003110 |
5 | 24403141212 |
6 | 2512405044 |
7 | 501101242 |
oct | 156360324 |
9 | 60437161 |
10 | 28958932 |
11 | 1538a302 |
12 | 9846784 |
13 | 5ccc182 |
14 | 3bbb792 |
15 | 2820657 |
hex | 1b9e0d4 |
28958932 has 12 divisors (see below), whose sum is σ = 52881696. Its totient is φ = 13849880.
The previous prime is 28958893. The next prime is 28958947. The reversal of 28958932 is 23985982.
It is a Harshad number since it is a multiple of its sum of digits (46).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157294 + ... + 157477.
It is an arithmetic number, because the mean of its divisors is an integer number (4406808).
Almost surely, 228958932 is an apocalyptic number.
It is an amenable number.
28958932 is a deficient number, since it is larger than the sum of its proper divisors (23922764).
28958932 is a wasteful number, since it uses less digits than its factorization.
28958932 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 314798 (or 314796 counting only the distinct ones).
The product of its digits is 311040, while the sum is 46.
The square root of 28958932 is about 5381.3503881461. The cubic root of 28958932 is about 307.0865865753.
It can be divided in two parts, 28958 and 932, that added together give a triangular number (29890 = T244).
The spelling of 28958932 in words is "twenty-eight million, nine hundred fifty-eight thousand, nine hundred thirty-two".
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