Base | Representation |
---|---|
bin | 110101010101… |
… | …1100110000110 |
3 | 1221121210220111 |
4 | 1222223212012 |
5 | 24124401310 |
6 | 2435223234 |
7 | 456464014 |
oct | 152534606 |
9 | 57553814 |
10 | 27965830 |
11 | 14871162 |
12 | 9447b1a |
13 | 5a42139 |
14 | 39dd8b4 |
15 | 26c628a |
hex | 1aab986 |
27965830 has 8 divisors (see below), whose sum is σ = 50338512. Its totient is φ = 11186328.
The previous prime is 27965809. The next prime is 27965843. The reversal of 27965830 is 3856972.
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 (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1398282 + ... + 1398301.
It is an arithmetic number, because the mean of its divisors is an integer number (6292314).
Almost surely, 227965830 is an apocalyptic number.
27965830 is a deficient number, since it is larger than the sum of its proper divisors (22372682).
27965830 is a wasteful number, since it uses less digits than its factorization.
27965830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2796590.
The product of its (nonzero) digits is 90720, while the sum is 40.
The square root of 27965830 is about 5288.2728749564. The cubic root of 27965830 is about 303.5353228042.
The spelling of 27965830 in words is "twenty-seven million, nine hundred sixty-five thousand, eight hundred thirty".
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