Base | Representation |
---|---|
bin | 110111000001… |
… | …0010001100110 |
3 | 2000021111010012 |
4 | 1232002101212 |
5 | 24341021113 |
6 | 2510130222 |
7 | 500115446 |
oct | 156022146 |
9 | 60244105 |
10 | 28845158 |
11 | 15311881 |
12 | 97b0972 |
13 | 5c8c454 |
14 | 3b8c126 |
15 | 27ebaa8 |
hex | 1b82466 |
28845158 has 8 divisors (see below), whose sum is σ = 45812952. Its totient is φ = 13574176.
The previous prime is 28845143. The next prime is 28845233. The reversal of 28845158 is 85154882.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424160 + ... + 424227.
It is an arithmetic number, because the mean of its divisors is an integer number (5726619).
Almost surely, 228845158 is an apocalyptic number.
28845158 is a deficient number, since it is larger than the sum of its proper divisors (16967794).
28845158 is a wasteful number, since it uses less digits than its factorization.
28845158 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 848406.
The product of its digits is 102400, while the sum is 41.
The square root of 28845158 is about 5370.7688462640. The cubic root of 28845158 is about 306.6838976350.
The spelling of 28845158 in words is "twenty-eight million, eight hundred forty-five thousand, one hundred fifty-eight".
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