Base | Representation |
---|---|
bin | 110110110001… |
… | …0010110111011 |
3 | 2000000211210022 |
4 | 1231202112323 |
5 | 24322330202 |
6 | 2503241055 |
7 | 466032350 |
oct | 155422673 |
9 | 60024708 |
10 | 28714427 |
11 | 15232635 |
12 | 974918b |
13 | 5c44ab1 |
14 | 3b56627 |
15 | 27c2ea2 |
hex | 1b625bb |
28714427 has 8 divisors (see below), whose sum is σ = 32954592. Its totient is φ = 24508800.
The previous prime is 28714423. The next prime is 28714457. The reversal of 28714427 is 72441782.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28714427 - 22 = 28714423 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28714421) 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, 6824 + ... + 10197.
It is an arithmetic number, because the mean of its divisors is an integer number (4119324).
Almost surely, 228714427 is an apocalyptic number.
28714427 is a deficient number, since it is larger than the sum of its proper divisors (4240165).
28714427 is a wasteful number, since it uses less digits than its factorization.
28714427 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17269.
The product of its digits is 25088, while the sum is 35.
The square root of 28714427 is about 5358.5844212814. The cubic root of 28714427 is about 306.2198819750.
The spelling of 28714427 in words is "twenty-eight million, seven hundred fourteen thousand, four hundred twenty-seven".
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