Base | Representation |
---|---|
bin | 110000101000… |
… | …010111010001 |
3 | 212222200022002 |
4 | 300220113101 |
5 | 11230420431 |
6 | 1133123345 |
7 | 213233612 |
oct | 60502721 |
9 | 25880262 |
10 | 12748241 |
11 | 7217a40 |
12 | 4329555 |
13 | 284474c |
14 | 199bc09 |
15 | 11bc3cb |
hex | c285d1 |
12748241 has 8 divisors (see below), whose sum is σ = 13972224. Its totient is φ = 11535120.
The previous prime is 12748231. The next prime is 12748247. The reversal of 12748241 is 14284721.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12748241 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12748247) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146 + ... + 5051.
It is an arithmetic number, because the mean of its divisors is an integer number (1746528).
Almost surely, 212748241 is an apocalyptic number.
12748241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12748241 is a deficient number, since it is larger than the sum of its proper divisors (1223983).
12748241 is a wasteful number, since it uses less digits than its factorization.
12748241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5431.
The product of its digits is 3584, while the sum is 29.
The square root of 12748241 is about 3570.4678965088. The cubic root of 12748241 is about 233.6056926214.
The spelling of 12748241 in words is "twelve million, seven hundred forty-eight thousand, two hundred forty-one".
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