Base | Representation |
---|---|
bin | 110010011011… |
… | …011000111000 |
3 | 220212121120211 |
4 | 302123120320 |
5 | 11341010014 |
6 | 1151200504 |
7 | 220235323 |
oct | 62333070 |
9 | 26777524 |
10 | 13219384 |
11 | 7509a12 |
12 | 4516134 |
13 | 297b029 |
14 | 1a817ba |
15 | 1261cc4 |
hex | c9b638 |
13219384 has 24 divisors (see below), whose sum is σ = 25431480. Its totient is φ = 6441920.
The previous prime is 13219379. The next prime is 13219391. The reversal of 13219384 is 48391231.
13219384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×132193842 = 349504226678912, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12957 + ... + 13939.
It is an arithmetic number, because the mean of its divisors is an integer number (1059645).
Almost surely, 213219384 is an apocalyptic number.
It is an amenable number.
13219384 is a deficient number, since it is larger than the sum of its proper divisors (12212096).
13219384 is an equidigital number, since it uses as much as digits as its factorization.
13219384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1071 (or 1026 counting only the distinct ones).
The product of its digits is 5184, while the sum is 31.
The square root of 13219384 is about 3635.8470814928. The cubic root of 13219384 is about 236.4487773963.
The spelling of 13219384 in words is "thirteen million, two hundred nineteen thousand, three hundred eighty-four".
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