Base | Representation |
---|---|
bin | 110110100101… |
… | …1000100011101 |
3 | 1222211222221100 |
4 | 1231023010131 |
5 | 24311302122 |
6 | 2501223313 |
7 | 465154266 |
oct | 155130435 |
9 | 58758840 |
10 | 28619037 |
11 | 151779a7 |
12 | 9701b39 |
13 | 5c10555 |
14 | 3b2d96d |
15 | 27a4aac |
hex | 1b4b11d |
28619037 has 12 divisors (see below), whose sum is σ = 42300544. Its totient is φ = 18635400.
The previous prime is 28619033. The next prime is 28619039. The reversal of 28619037 is 73091682.
28619037 is a `hidden beast` number, since 2 + 8 + 619 + 0 + 37 = 666.
It is not a de Polignac number, because 28619037 - 22 = 28619033 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 28618992 and 28619010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28619033) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 36589 + ... + 37362.
Almost surely, 228619037 is an apocalyptic number.
It is an amenable number.
28619037 is a deficient number, since it is larger than the sum of its proper divisors (13681507).
28619037 is a wasteful number, since it uses less digits than its factorization.
28619037 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74000 (or 73997 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 28619037 is about 5349.6763453502. The cubic root of 28619037 is about 305.8804159155.
The spelling of 28619037 in words is "twenty-eight million, six hundred nineteen thousand, thirty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.109 sec. • engine limits •