Base | Representation |
---|---|
bin | 110010000011… |
… | …010101000001 |
3 | 220200121101210 |
4 | 302003111001 |
5 | 11324331313 |
6 | 1145120333 |
7 | 216345105 |
oct | 62032501 |
9 | 26617353 |
10 | 13120833 |
11 | 7451970 |
12 | 44890a9 |
13 | 294520b |
14 | 1a57905 |
15 | 12429c3 |
hex | c83541 |
13120833 has 32 divisors (see below), whose sum is σ = 20321280. Its totient is φ = 7451840.
The previous prime is 13120831. The next prime is 13120837. The reversal of 13120833 is 33802131.
It is a happy number.
13120833 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13120833 - 21 = 13120831 is a prime.
It is a super-2 number, since 2×131208332 = 344312517227778, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13120831) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44635 + ... + 44927.
It is an arithmetic number, because the mean of its divisors is an integer number (635040).
Almost surely, 213120833 is an apocalyptic number.
It is an amenable number.
13120833 is a deficient number, since it is larger than the sum of its proper divisors (7200447).
13120833 is a wasteful number, since it uses less digits than its factorization.
13120833 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 389.
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 13120833 is about 3622.2690402564. The cubic root of 13120833 is about 235.8597330328.
Adding to 13120833 its reverse (33802131), we get a palindrome (46922964).
The spelling of 13120833 in words is "thirteen million, one hundred twenty thousand, eight hundred thirty-three".
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