Base | Representation |
---|---|
bin | 101110110011… |
… | …100011011110 |
3 | 212002100222200 |
4 | 232303203132 |
5 | 11120113130 |
6 | 1114552330 |
7 | 206201661 |
oct | 56634336 |
9 | 25070880 |
10 | 12269790 |
11 | 6a20525 |
12 | 41386a6 |
13 | 2707a40 |
14 | 18b56d8 |
15 | 1125760 |
hex | bb38de |
12269790 has 48 divisors (see below), whose sum is σ = 34358688. Its totient is φ = 3019968.
The previous prime is 12269759. The next prime is 12269791. The reversal of 12269790 is 9796221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12269791) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4074 + ... + 6413.
It is an arithmetic number, because the mean of its divisors is an integer number (715806).
Almost surely, 212269790 is an apocalyptic number.
12269790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12269790 is an abundant number, since it is smaller than the sum of its proper divisors (22088898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12269790 is a wasteful number, since it uses less digits than its factorization.
12269790 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10513 (or 10510 counting only the distinct ones).
The product of its (nonzero) digits is 13608, while the sum is 36.
The square root of 12269790 is about 3502.8260019590. The cubic root of 12269790 is about 230.6458845960.
The spelling of 12269790 in words is "twelve million, two hundred sixty-nine thousand, seven hundred ninety".
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