Base | Representation |
---|---|
bin | 101101111011… |
… | …001011101001 |
3 | 211122122020210 |
4 | 231323023221 |
5 | 11040221024 |
6 | 1110011333 |
7 | 204220542 |
oct | 55731351 |
9 | 24578223 |
10 | 12038889 |
11 | 6882aa5 |
12 | 4046b49 |
13 | 2656905 |
14 | 18554c9 |
15 | 10cc129 |
hex | b7b2e9 |
12038889 has 12 divisors (see below), whose sum is σ = 16282896. Its totient is φ = 7912008.
The previous prime is 12038879. The next prime is 12038933. The reversal of 12038889 is 98883021.
It is a de Polignac number, because none of the positive numbers 2k-12038889 is a prime.
It is a zygodrome in base 6.
It is not an unprimeable number, because it can be changed into a prime (12038879) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18402 + ... + 19044.
It is an arithmetic number, because the mean of its divisors is an integer number (1356908).
Almost surely, 212038889 is an apocalyptic number.
It is an amenable number.
12038889 is a deficient number, since it is larger than the sum of its proper divisors (4244007).
12038889 is an frugal number, since it uses more digits than its factorization.
12038889 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 804 (or 725 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 39.
The square root of 12038889 is about 3469.7102184476. The cubic root of 12038889 is about 229.1898973402.
The spelling of 12038889 in words is "twelve million, thirty-eight thousand, eight hundred eighty-nine".
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