Base | Representation |
---|---|
bin | 110101111001… |
… | …0000111010101 |
3 | 1222011111010112 |
4 | 1223302013111 |
5 | 24213122202 |
6 | 2445332405 |
7 | 462106103 |
oct | 153620725 |
9 | 58144115 |
10 | 28254677 |
11 | 14a49180 |
12 | 9567105 |
13 | 5b13759 |
14 | 3a76c73 |
15 | 2731b52 |
hex | 1af21d5 |
28254677 has 8 divisors (see below), whose sum is σ = 30862080. Its totient is φ = 25653760.
The previous prime is 28254659. The next prime is 28254679. The reversal of 28254677 is 77645282.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28254677 - 210 = 28253653 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28254679) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14588 + ... + 16410.
It is an arithmetic number, because the mean of its divisors is an integer number (3857760).
Almost surely, 228254677 is an apocalyptic number.
It is an amenable number.
28254677 is a deficient number, since it is larger than the sum of its proper divisors (2607403).
28254677 is a wasteful number, since it uses less digits than its factorization.
28254677 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3243.
The product of its digits is 188160, while the sum is 41.
The square root of 28254677 is about 5315.5128633087. The cubic root of 28254677 is about 304.5767739164.
The spelling of 28254677 in words is "twenty-eight million, two hundred fifty-four thousand, six hundred seventy-seven".
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