Base | Representation |
---|---|
bin | 110011000010… |
… | …101101011111 |
3 | 221011210112010 |
4 | 303002231133 |
5 | 11411133242 |
6 | 1154442303 |
7 | 221506023 |
oct | 63025537 |
9 | 27153463 |
10 | 13380447 |
11 | 7609a23 |
12 | 4593393 |
13 | 2a06432 |
14 | 1ac4383 |
15 | 129489c |
hex | cc2b5f |
13380447 has 8 divisors (see below), whose sum is σ = 18092160. Its totient is φ = 8794520.
The previous prime is 13380413. The next prime is 13380461. The reversal of 13380447 is 74408331.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13380447 - 211 = 13378399 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13380487) 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, 31197 + ... + 31622.
It is an arithmetic number, because the mean of its divisors is an integer number (2261520).
Almost surely, 213380447 is an apocalyptic number.
13380447 is a deficient number, since it is larger than the sum of its proper divisors (4711713).
13380447 is an equidigital number, since it uses as much as digits as its factorization.
13380447 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62893.
The product of its (nonzero) digits is 8064, while the sum is 30.
The square root of 13380447 is about 3657.9293322862. The cubic root of 13380447 is about 237.4051891183.
Adding to 13380447 its reverse (74408331), we get a palindrome (87788778).
The spelling of 13380447 in words is "thirteen million, three hundred eighty thousand, four hundred forty-seven".
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