Base | Representation |
---|---|
bin | 101101111101… |
… | …011001101110 |
3 | 211200002201120 |
4 | 231331121232 |
5 | 11041013412 |
6 | 1110121410 |
7 | 204256212 |
oct | 55753156 |
9 | 24602646 |
10 | 12047982 |
11 | 6889911 |
12 | 4050266 |
13 | 265aaab |
14 | 1858942 |
15 | 10ceb8c |
hex | b7d66e |
12047982 has 32 divisors (see below), whose sum is σ = 24686592. Its totient is φ = 3919104.
The previous prime is 12047941. The next prime is 12047983. The reversal of 12047982 is 28974021.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12047983) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73833 + ... + 73995.
It is an arithmetic number, because the mean of its divisors is an integer number (771456).
Almost surely, 212047982 is an apocalyptic number.
12047982 is an abundant number, since it is smaller than the sum of its proper divisors (12638610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12047982 is a wasteful number, since it uses less digits than its factorization.
12047982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 392.
The product of its (nonzero) digits is 8064, while the sum is 33.
The square root of 12047982 is about 3471.0203110901. The cubic root of 12047982 is about 229.2475853673.
The spelling of 12047982 in words is "twelve million, forty-seven thousand, nine hundred eighty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •