Base | Representation |
---|---|
bin | 110111001101… |
… | …0101001010110 |
3 | 2000110120001101 |
4 | 1232122221112 |
5 | 24402214412 |
6 | 2512220314 |
7 | 501012463 |
oct | 156325126 |
9 | 60416041 |
10 | 28944982 |
11 | 1537a880 |
12 | 983a69a |
13 | 5cc5a11 |
14 | 3bb666a |
15 | 281b457 |
hex | 1b9aa56 |
28944982 has 32 divisors (see below), whose sum is σ = 50536224. Its totient is φ = 12288000.
The previous prime is 28944947. The next prime is 28944983.
28944982 is nontrivially palindromic in base 10.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28944983) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71982 + ... + 72382.
It is an arithmetic number, because the mean of its divisors is an integer number (1579257).
Almost surely, 228944982 is an apocalyptic number.
28944982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
28944982 is a deficient number, since it is larger than the sum of its proper divisors (21591242).
28944982 is a wasteful number, since it uses less digits than its factorization.
28944982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 624.
The product of its digits is 331776, while the sum is 46.
The square root of 28944982 is about 5380.0540889474. The cubic root of 28944982 is about 307.0372690805.
The spelling of 28944982 in words is "twenty-eight million, nine hundred forty-four thousand, nine hundred eighty-two".
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