Base | Representation |
---|---|
bin | 110111000000… |
… | …1101110001111 |
3 | 2000021101000101 |
4 | 1232001232033 |
5 | 24340433040 |
6 | 2510111531 |
7 | 500106034 |
oct | 156015617 |
9 | 60241011 |
10 | 28842895 |
11 | 15310104 |
12 | 97ab5a7 |
13 | 5c8b403 |
14 | 3b8b38b |
15 | 27eb09a |
hex | 1b81b8f |
28842895 has 8 divisors (see below), whose sum is σ = 35416656. Its totient is φ = 22537536.
The previous prime is 28842889. The next prime is 28842929. The reversal of 28842895 is 59824882.
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 28842895 - 23 = 28842887 is a prime.
It is a Duffinian number.
It is a congruent number.
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, 66862 + ... + 67291.
It is an arithmetic number, because the mean of its divisors is an integer number (4427082).
Almost surely, 228842895 is an apocalyptic number.
28842895 is a deficient number, since it is larger than the sum of its proper divisors (6573761).
28842895 is a wasteful number, since it uses less digits than its factorization.
28842895 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134201.
The product of its digits is 368640, while the sum is 46.
The square root of 28842895 is about 5370.5581646604. The cubic root of 28842895 is about 306.6758772963.
The spelling of 28842895 in words is "twenty-eight million, eight hundred forty-two thousand, eight hundred ninety-five".
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