Base | Representation |
---|---|
bin | 110111001001… |
… | …1001101110010 |
3 | 2000102000022010 |
4 | 1232103031302 |
5 | 24400231141 |
6 | 2511423350 |
7 | 500524653 |
oct | 156231562 |
9 | 60360263 |
10 | 28914546 |
11 | 15359a21 |
12 | 9824b56 |
13 | 5cb4bcb |
14 | 3ba952a |
15 | 2812416 |
hex | 1b93372 |
28914546 has 8 divisors (see below), whose sum is σ = 57829104. Its totient is φ = 9638180.
The previous prime is 28914517. The next prime is 28914551. The reversal of 28914546 is 64541982.
It is a sphenic number, since it is the product of 3 distinct primes.
28914546 is an admirable number.
It is a super-2 number, since 2×289145462 = 1672101940772232, which contains 22 as substring.
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, 2409540 + ... + 2409551.
It is an arithmetic number, because the mean of its divisors is an integer number (7228638).
Almost surely, 228914546 is an apocalyptic number.
28914546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28914546 is a wasteful number, since it uses less digits than its factorization.
28914546 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4819096.
The product of its digits is 69120, while the sum is 39.
The square root of 28914546 is about 5377.2247488830. The cubic root of 28914546 is about 306.9296135325.
The spelling of 28914546 in words is "twenty-eight million, nine hundred fourteen thousand, five hundred forty-six".
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