Base | Representation |
---|---|
bin | 101110110011… |
… | …001101100110 |
3 | 212002022001211 |
4 | 232303031212 |
5 | 11120042030 |
6 | 1114542034 |
7 | 206164621 |
oct | 56631546 |
9 | 25068054 |
10 | 12268390 |
11 | 6a1a472 |
12 | 413791a |
13 | 2707204 |
14 | 18b4db8 |
15 | 112512a |
hex | bb3366 |
12268390 has 16 divisors (see below), whose sum is σ = 23382432. Its totient is φ = 4618624.
The previous prime is 12268379. The next prime is 12268411. The reversal of 12268390 is 9386221.
It is a zygodrome in base 16.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35914 + ... + 36253.
It is an arithmetic number, because the mean of its divisors is an integer number (1461402).
Almost surely, 212268390 is an apocalyptic number.
12268390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12268390 is a deficient number, since it is larger than the sum of its proper divisors (11114042).
12268390 is a wasteful number, since it uses less digits than its factorization.
12268390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72191.
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 12268390 is about 3502.6261576137. The cubic root of 12268390 is about 230.6371119243.
The spelling of 12268390 in words is "twelve million, two hundred sixty-eight thousand, three hundred ninety".
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