Base | Representation |
---|---|
bin | 110110100110… |
… | …1000011001001 |
3 | 1222212102001122 |
4 | 1231031003021 |
5 | 24312032040 |
6 | 2501325025 |
7 | 465220031 |
oct | 155150311 |
9 | 58772048 |
10 | 28627145 |
11 | 15182aa8 |
12 | 9706775 |
13 | 5c14151 |
14 | 3b328c1 |
15 | 27a71b5 |
hex | 1b4d0c9 |
28627145 has 8 divisors (see below), whose sum is σ = 34526400. Its totient is φ = 22785840.
The previous prime is 28627127. The next prime is 28627163. The reversal of 28627145 is 54172682.
It is an interprime number because it is at equal distance from previous prime (28627127) and next prime (28627163).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28627145 - 216 = 28561609 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13391 + ... + 15380.
It is an arithmetic number, because the mean of its divisors is an integer number (4315800).
Almost surely, 228627145 is an apocalyptic number.
It is an amenable number.
28627145 is a deficient number, since it is larger than the sum of its proper divisors (5899255).
28627145 is a wasteful number, since it uses less digits than its factorization.
28627145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28975.
The product of its digits is 26880, while the sum is 35.
The square root of 28627145 is about 5350.4340945385. The cubic root of 28627145 is about 305.9092993034.
The spelling of 28627145 in words is "twenty-eight million, six hundred twenty-seven thousand, one hundred forty-five".
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