Base | Representation |
---|---|
bin | 110111000000… |
… | …0010010011110 |
3 | 2000021001221212 |
4 | 1232000102132 |
5 | 24340241042 |
6 | 2510024422 |
7 | 500052644 |
oct | 156002236 |
9 | 60231855 |
10 | 28837022 |
11 | 15306755 |
12 | 97a8112 |
13 | 5c88836 |
14 | 3b89194 |
15 | 27e9482 |
hex | 1b8049e |
28837022 has 32 divisors (see below), whose sum is σ = 47416320. Its totient is φ = 13106880.
The previous prime is 28837019. The next prime is 28837031. The reversal of 28837022 is 22073882.
It is a self number, because there is not a number n which added to its sum of digits gives 28837022.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129203 + ... + 129425.
It is an arithmetic number, because the mean of its divisors is an integer number (1481760).
Almost surely, 228837022 is an apocalyptic number.
28837022 is a deficient number, since it is larger than the sum of its proper divisors (18579298).
28837022 is a wasteful number, since it uses less digits than its factorization.
28837022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 368.
The product of its (nonzero) digits is 10752, while the sum is 32.
The square root of 28837022 is about 5370.0113593921. The cubic root of 28837022 is about 306.6550607349.
The spelling of 28837022 in words is "twenty-eight million, eight hundred thirty-seven thousand, twenty-two".
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