Base | Representation |
---|---|
bin | 101111101010… |
… | …010110100011 |
3 | 212111202212202 |
4 | 233222112203 |
5 | 11144303433 |
6 | 1123443415 |
7 | 211125236 |
oct | 57522643 |
9 | 25452782 |
10 | 12494243 |
11 | 7064123 |
12 | 422656b |
13 | 2785c58 |
14 | 193341d |
15 | 116bee8 |
hex | bea5a3 |
12494243 has 4 divisors (see below), whose sum is σ = 12540960. Its totient is φ = 12447528.
The previous prime is 12494231. The next prime is 12494281. The reversal of 12494243 is 34249421.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34249421 = 4549 ⋅7529.
It is a cyclic number.
It is not a de Polignac number, because 12494243 - 210 = 12493219 is a prime.
It is a super-2 number, since 2×124942432 = 312212216286098, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12494213) 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, 22955 + ... + 23492.
It is an arithmetic number, because the mean of its divisors is an integer number (3135240).
Almost surely, 212494243 is an apocalyptic number.
12494243 is a deficient number, since it is larger than the sum of its proper divisors (46717).
12494243 is an equidigital number, since it uses as much as digits as its factorization.
12494243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46716.
The product of its digits is 6912, while the sum is 29.
The square root of 12494243 is about 3534.7196494206. The cubic root of 12494243 is about 232.0438073736.
The spelling of 12494243 in words is "twelve million, four hundred ninety-four thousand, two hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •