Base | Representation |
---|---|
bin | 110001110000… |
… | …100010001010 |
3 | 220112200210120 |
4 | 301300202022 |
5 | 11314400400 |
6 | 1143324110 |
7 | 215604501 |
oct | 61604212 |
9 | 26480716 |
10 | 13043850 |
11 | 73aa046 |
12 | 4450636 |
13 | 2919171 |
14 | 1a37838 |
15 | 1229ca0 |
hex | c7088a |
13043850 has 24 divisors (see below), whose sum is σ = 32349120. Its totient is φ = 3478320.
The previous prime is 13043837. The next prime is 13043857. The reversal of 13043850 is 5834031.
It is a self number, because there is not a number n which added to its sum of digits gives 13043850.
It is not an unprimeable number, because it can be changed into a prime (13043857) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43330 + ... + 43629.
It is an arithmetic number, because the mean of its divisors is an integer number (1347880).
Almost surely, 213043850 is an apocalyptic number.
13043850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13043850 is an abundant number, since it is smaller than the sum of its proper divisors (19305270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13043850 is a wasteful number, since it uses less digits than its factorization.
13043850 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86974 (or 86969 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 13043850 is about 3611.6270571586. The cubic root of 13043850 is about 235.3975465019.
Adding to 13043850 its reverse (5834031), we get a palindrome (18877881).
The spelling of 13043850 in words is "thirteen million, forty-three thousand, eight hundred fifty".
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