Base | Representation |
---|---|
bin | 110101100110… |
… | …0011001010110 |
3 | 1221212122012111 |
4 | 1223030121112 |
5 | 24143201212 |
6 | 2442141234 |
7 | 460563505 |
oct | 153143126 |
9 | 57778174 |
10 | 28100182 |
11 | 149530a0 |
12 | 94b181a |
13 | 5a8b336 |
14 | 3a3683c |
15 | 2700ea7 |
hex | 1acc656 |
28100182 has 16 divisors (see below), whose sum is σ = 46614672. Its totient is φ = 12597120.
The previous prime is 28100161. The next prime is 28100209.
28100182 is nontrivially palindromic in base 10.
It is a Harshad number since it is a multiple of its sum of digits (22).
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 7 ways as a sum of consecutive naturals, for example, 7143 + ... + 10354.
It is an arithmetic number, because the mean of its divisors is an integer number (2913417).
Almost surely, 228100182 is an apocalyptic number.
28100182 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
28100182 is a deficient number, since it is larger than the sum of its proper divisors (18514490).
28100182 is a wasteful number, since it uses less digits than its factorization.
28100182 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17583.
The product of its (nonzero) digits is 256, while the sum is 22.
The square root of 28100182 is about 5300.9604790076. The cubic root of 28100182 is about 304.0206227353.
It can be divided in two parts, 28100 and 182, that added together give a palindrome (28282).
The spelling of 28100182 in words is "twenty-eight million, one hundred thousand, one hundred eighty-two".
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