Base | Representation |
---|---|
bin | 101111011101… |
… | …000111011110 |
3 | 212102000111212 |
4 | 233131013132 |
5 | 11141040110 |
6 | 1122344422 |
7 | 210511211 |
oct | 57350736 |
9 | 25360455 |
10 | 12440030 |
11 | 7027419 |
12 | 41bb112 |
13 | 2767385 |
14 | 191b778 |
15 | 115ae05 |
hex | bdd1de |
12440030 has 8 divisors (see below), whose sum is σ = 22392072. Its totient is φ = 4976008.
The previous prime is 12440027. The next prime is 12440053. The reversal of 12440030 is 3004421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 12439987 and 12440014.
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, 621992 + ... + 622011.
It is an arithmetic number, because the mean of its divisors is an integer number (2799009).
Almost surely, 212440030 is an apocalyptic number.
12440030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12440030 is a deficient number, since it is larger than the sum of its proper divisors (9952042).
12440030 is a wasteful number, since it uses less digits than its factorization.
12440030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1244010.
The product of its (nonzero) digits is 96, while the sum is 14.
The square root of 12440030 is about 3527.0426705669. The cubic root of 12440030 is about 231.7077051211.
Adding to 12440030 its reverse (3004421), we get a palindrome (15444451).
The spelling of 12440030 in words is "twelve million, four hundred forty thousand, thirty".
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