Base | Representation |
---|---|
bin | 110110001100… |
… | …0100010000101 |
3 | 1222110110222200 |
4 | 1230120202011 |
5 | 24233141122 |
6 | 2452545113 |
7 | 463332633 |
oct | 154304205 |
9 | 58413880 |
10 | 28412037 |
11 | 15046425 |
12 | 9622199 |
13 | 5b6a274 |
14 | 3ab8353 |
15 | 27635ac |
hex | 1b18885 |
28412037 has 12 divisors (see below), whose sum is σ = 41112864. Its totient is φ = 18907560.
The previous prime is 28412029. The next prime is 28412051. The reversal of 28412037 is 73021482.
It is not a de Polignac number, because 28412037 - 23 = 28412029 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 28412037.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28412077) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3178 + ... + 8180.
It is an arithmetic number, because the mean of its divisors is an integer number (3426072).
Almost surely, 228412037 is an apocalyptic number.
It is an amenable number.
28412037 is a deficient number, since it is larger than the sum of its proper divisors (12700827).
28412037 is a wasteful number, since it uses less digits than its factorization.
28412037 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5640 (or 5637 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 28412037 is about 5330.2942695502. The cubic root of 28412037 is about 305.1411583452.
It can be divided in two parts, 284 and 12037, that added together give a palindrome (12321).
The spelling of 28412037 in words is "twenty-eight million, four hundred twelve thousand, thirty-seven".
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