Base | Representation |
---|---|
bin | 110101100101… |
… | …1011110000110 |
3 | 1221212110000001 |
4 | 1223023132012 |
5 | 24143041030 |
6 | 2442111514 |
7 | 460546450 |
oct | 153133606 |
9 | 57773001 |
10 | 28096390 |
11 | 14950263 |
12 | 94ab59a |
13 | 5a896aa |
14 | 3a352d0 |
15 | 26eecca |
hex | 1acb786 |
28096390 has 32 divisors (see below), whose sum is σ = 58786560. Its totient is φ = 9468384.
The previous prime is 28096373. The next prime is 28096391. The reversal of 28096390 is 9369082.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28096391) 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, 729 + ... + 7531.
It is an arithmetic number, because the mean of its divisors is an integer number (1837080).
Almost surely, 228096390 is an apocalyptic number.
28096390 is an abundant number, since it is smaller than the sum of its proper divisors (30690170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28096390 is a wasteful number, since it uses less digits than its factorization.
28096390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6876.
The product of its (nonzero) digits is 23328, while the sum is 37.
The square root of 28096390 is about 5300.6027959092. The cubic root of 28096390 is about 304.0069466903.
The spelling of 28096390 in words is "twenty-eight million, ninety-six thousand, three hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •