Base | Representation |
---|---|
bin | 110111000000… |
… | …0111100001111 |
3 | 2000021012121212 |
4 | 1232000330033 |
5 | 24340332240 |
6 | 2510045035 |
7 | 500063513 |
oct | 156007417 |
9 | 60235555 |
10 | 28839695 |
11 | 15308765 |
12 | 97a977b |
13 | 5c89b11 |
14 | 3b8a143 |
15 | 27ea165 |
hex | 1b80f0f |
28839695 has 8 divisors (see below), whose sum is σ = 34840800. Its totient is φ = 22916320.
The previous prime is 28839689. The next prime is 28839721. The reversal of 28839695 is 59693882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28839695 - 210 = 28838671 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18611 + ... + 20100.
It is an arithmetic number, because the mean of its divisors is an integer number (4355100).
Almost surely, 228839695 is an apocalyptic number.
28839695 is a deficient number, since it is larger than the sum of its proper divisors (6001105).
28839695 is a wasteful number, since it uses less digits than its factorization.
28839695 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38865.
The product of its digits is 933120, while the sum is 50.
The square root of 28839695 is about 5370.2602357800. The cubic root of 28839695 is about 306.6645354032.
The spelling of 28839695 in words is "twenty-eight million, eight hundred thirty-nine thousand, six hundred ninety-five".
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