Base | Representation |
---|---|
bin | 101110010000… |
… | …000011100110 |
3 | 211210222112111 |
4 | 232100003212 |
5 | 11100440030 |
6 | 1111511234 |
7 | 205025035 |
oct | 56200346 |
9 | 24728474 |
10 | 12124390 |
11 | 6931263 |
12 | 408851a |
13 | 26867c5 |
14 | 187871c |
15 | 10e762a |
hex | b900e6 |
12124390 has 8 divisors (see below), whose sum is σ = 21823920. Its totient is φ = 4849752.
The previous prime is 12124369. The next prime is 12124423. The reversal of 12124390 is 9342121.
It is a sphenic number, since it is the product of 3 distinct primes.
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, 606210 + ... + 606229.
It is an arithmetic number, because the mean of its divisors is an integer number (2727990).
Almost surely, 212124390 is an apocalyptic number.
12124390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12124390 is a deficient number, since it is larger than the sum of its proper divisors (9699530).
12124390 is a wasteful number, since it uses less digits than its factorization.
12124390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1212446.
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 12124390 is about 3482.0094772990. The cubic root of 12124390 is about 229.7311919443.
The spelling of 12124390 in words is "twelve million, one hundred twenty-four thousand, three hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •