Base | Representation |
---|---|
bin | 110110111101… |
… | …0010001010110 |
3 | 2000012211010222 |
4 | 1231322101112 |
5 | 24333443444 |
6 | 2505314342 |
7 | 466621043 |
oct | 155722126 |
9 | 60184128 |
10 | 28812374 |
11 | 1529a188 |
12 | 97959b2 |
13 | 5c7a556 |
14 | 3b801ca |
15 | 27e1eee |
hex | 1b7a456 |
28812374 has 8 divisors (see below), whose sum is σ = 43927248. Its totient is φ = 14169960.
The previous prime is 28812373. The next prime is 28812383. The reversal of 28812374 is 47321882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28812373) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117962 + ... + 118205.
It is an arithmetic number, because the mean of its divisors is an integer number (5490906).
Almost surely, 228812374 is an apocalyptic number.
28812374 is a deficient number, since it is larger than the sum of its proper divisors (15114874).
28812374 is a wasteful number, since it uses less digits than its factorization.
28812374 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 236230.
The product of its digits is 21504, while the sum is 35.
The square root of 28812374 is about 5367.7159015730. The cubic root of 28812374 is about 306.5676662686.
The spelling of 28812374 in words is "twenty-eight million, eight hundred twelve thousand, three hundred seventy-four".
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