Base | Representation |
---|---|
bin | 110000100110… |
… | …001100111000 |
3 | 212222020011001 |
4 | 300212030320 |
5 | 11230130014 |
6 | 1133014344 |
7 | 213166030 |
oct | 60461470 |
9 | 25866131 |
10 | 12739384 |
11 | 7211319 |
12 | 43243b4 |
13 | 28406c8 |
14 | 19988c0 |
15 | 11b9974 |
hex | c26338 |
12739384 has 16 divisors (see below), whose sum is σ = 27298800. Its totient is φ = 5459712.
The previous prime is 12739373. The next prime is 12739387. The reversal of 12739384 is 48393721.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12739387) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113689 + ... + 113800.
It is an arithmetic number, because the mean of its divisors is an integer number (1706175).
Almost surely, 212739384 is an apocalyptic number.
12739384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
12739384 is an abundant number, since it is smaller than the sum of its proper divisors (14559416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12739384 is a wasteful number, since it uses less digits than its factorization.
12739384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 227502 (or 227498 counting only the distinct ones).
The product of its digits is 36288, while the sum is 37.
The square root of 12739384 is about 3569.2273673724. The cubic root of 12739384 is about 233.5515799280.
The spelling of 12739384 in words is "twelve million, seven hundred thirty-nine thousand, three hundred eighty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •