Base | Representation |
---|---|
bin | 10010001000000… |
… | …110010011110101 |
3 | 210012020112110012 |
4 | 102020012103311 |
5 | 1110323103020 |
6 | 50102110005 |
7 | 10351626326 |
oct | 2210062365 |
9 | 705215405 |
10 | 304112885 |
11 | 14673356a |
12 | 85a1b305 |
13 | 4b00ab6b |
14 | 2c56444d |
15 | 1ba727c5 |
hex | 122064f5 |
304112885 has 4 divisors (see below), whose sum is σ = 364935468. Its totient is φ = 243290304.
The previous prime is 304112873. The next prime is 304112891. The reversal of 304112885 is 588211403.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 588211403 = 13 ⋅45247031.
It can be written as a sum of positive squares in 2 ways, for example, as 90193009 + 213919876 = 9497^2 + 14626^2 .
It is a cyclic number.
It is not a de Polignac number, because 304112885 - 24 = 304112869 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 3 ways as a sum of consecutive naturals, for example, 30411284 + ... + 30411293.
It is an arithmetic number, because the mean of its divisors is an integer number (91233867).
Almost surely, 2304112885 is an apocalyptic number.
It is an amenable number.
304112885 is a deficient number, since it is larger than the sum of its proper divisors (60822583).
304112885 is an equidigital number, since it uses as much as digits as its factorization.
304112885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60822582.
The product of its (nonzero) digits is 7680, while the sum is 32.
The square root of 304112885 is about 17438.8326730891. The cubic root of 304112885 is about 672.4782983835.
The spelling of 304112885 in words is "three hundred four million, one hundred twelve thousand, eight hundred eighty-five".
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