Base | Representation |
---|---|
bin | 110111000100… |
… | …1000000110010 |
3 | 2000022212222021 |
4 | 1232021000302 |
5 | 24342412004 |
6 | 2510502054 |
7 | 500262061 |
oct | 156110062 |
9 | 60285867 |
10 | 28872754 |
11 | 15330589 |
12 | 980492a |
13 | 5c9bb91 |
14 | 3b981d8 |
15 | 2804d54 |
hex | 1b89032 |
28872754 has 8 divisors (see below), whose sum is σ = 43729920. Its totient is φ = 14296116.
The previous prime is 28872731. The next prime is 28872763. The reversal of 28872754 is 45727882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 28872754.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69874 + ... + 70285.
It is an arithmetic number, because the mean of its divisors is an integer number (5466240).
Almost surely, 228872754 is an apocalyptic number.
28872754 is a deficient number, since it is larger than the sum of its proper divisors (14857166).
28872754 is a wasteful number, since it uses less digits than its factorization.
28872754 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140264.
The product of its digits is 250880, while the sum is 43.
The square root of 28872754 is about 5373.3373242334. The cubic root of 28872754 is about 306.7816673816.
The spelling of 28872754 in words is "twenty-eight million, eight hundred seventy-two thousand, seven hundred fifty-four".
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