Base | Representation |
---|---|
bin | 110001101011… |
… | …001100001010 |
3 | 220111120202220 |
4 | 301223030022 |
5 | 11313200322 |
6 | 1143034510 |
7 | 215453622 |
oct | 61531412 |
9 | 26446686 |
10 | 13021962 |
11 | 7394658 |
12 | 443ba36 |
13 | 290c205 |
14 | 1a2d882 |
15 | 122355c |
hex | c6b30a |
13021962 has 16 divisors (see below), whose sum is σ = 26139360. Its totient is φ = 4324752.
The previous prime is 13021927. The next prime is 13021993. The reversal of 13021962 is 26912031.
It is a plaindrome in base 15.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2137 + ... + 5532.
It is an arithmetic number, because the mean of its divisors is an integer number (1633710).
Almost surely, 213021962 is an apocalyptic number.
13021962 is an abundant number, since it is smaller than the sum of its proper divisors (13117398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13021962 is a wasteful number, since it uses less digits than its factorization.
13021962 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7957.
The product of its (nonzero) digits is 648, while the sum is 24.
The square root of 13021962 is about 3608.5955716871. The cubic root of 13021962 is about 235.2658045662.
Adding to 13021962 its reverse (26912031), we get a palindrome (39933993).
The spelling of 13021962 in words is "thirteen million, twenty-one thousand, nine hundred sixty-two".
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