Base | Representation |
---|---|
bin | 110111001100… |
… | …0000000000111 |
3 | 2000110000012020 |
4 | 1232120000013 |
5 | 24401343101 |
6 | 2512054223 |
7 | 500636061 |
oct | 156300007 |
9 | 60400166 |
10 | 28934151 |
11 | 15372724 |
12 | 9834373 |
13 | 5cc0acc |
14 | 3bb2731 |
15 | 2818136 |
hex | 1b98007 |
28934151 has 16 divisors (see below), whose sum is σ = 40121088. Its totient is φ = 18532800.
The previous prime is 28934149. The next prime is 28934179. The reversal of 28934151 is 15143982.
It is not a de Polignac number, because 28934151 - 21 = 28934149 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28934251) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6486 + ... + 9996.
It is an arithmetic number, because the mean of its divisors is an integer number (2507568).
Almost surely, 228934151 is an apocalyptic number.
28934151 is a deficient number, since it is larger than the sum of its proper divisors (11186937).
28934151 is a wasteful number, since it uses less digits than its factorization.
28934151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3622.
The product of its digits is 8640, while the sum is 33.
The square root of 28934151 is about 5379.0474063722. The cubic root of 28934151 is about 306.9989672712.
The spelling of 28934151 in words is "twenty-eight million, nine hundred thirty-four thousand, one hundred fifty-one".
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