Base | Representation |
---|---|
bin | 110001110010… |
… | …100000100010 |
3 | 220120002220010 |
4 | 301302200202 |
5 | 11320130223 |
6 | 1143425350 |
7 | 215640204 |
oct | 61624042 |
9 | 26502803 |
10 | 13051938 |
11 | 7405129 |
12 | 4455256 |
13 | 291ca53 |
14 | 1a3a774 |
15 | 122c393 |
hex | c72822 |
13051938 has 8 divisors (see below), whose sum is σ = 26103888. Its totient is φ = 4350644.
The previous prime is 13051933. The next prime is 13051949. The reversal of 13051938 is 83915031.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
13051938 is an admirable number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13051933) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1087656 + ... + 1087667.
It is an arithmetic number, because the mean of its divisors is an integer number (3262986).
Almost surely, 213051938 is an apocalyptic number.
13051938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13051938 is a wasteful number, since it uses less digits than its factorization.
13051938 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2175328.
The product of its (nonzero) digits is 3240, while the sum is 30.
The square root of 13051938 is about 3612.7466005797. The cubic root of 13051938 is about 235.4461901661.
Adding to 13051938 its reverse (83915031), we get a palindrome (96966969).
The spelling of 13051938 in words is "thirteen million, fifty-one thousand, nine hundred thirty-eight".
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