Base | Representation |
---|---|
bin | 110010001001… |
… | …000101011100 |
3 | 220201210202002 |
4 | 302021011130 |
5 | 11331110122 |
6 | 1145421432 |
7 | 216503621 |
oct | 62110534 |
9 | 26653662 |
10 | 13144412 |
11 | 7468656 |
12 | 449a878 |
13 | 2952b78 |
14 | 1a62348 |
15 | 1249992 |
hex | c8915c |
13144412 has 12 divisors (see below), whose sum is σ = 23537976. Its totient is φ = 6419280.
The previous prime is 13144393. The next prime is 13144423. The reversal of 13144412 is 21444131.
It is a super-3 number, since 3×131444123 (a number of 22 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38039 + ... + 38382.
It is an arithmetic number, because the mean of its divisors is an integer number (1961498).
Almost surely, 213144412 is an apocalyptic number.
It is an amenable number.
13144412 is a deficient number, since it is larger than the sum of its proper divisors (10393564).
13144412 is a wasteful number, since it uses less digits than its factorization.
13144412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76468 (or 76466 counting only the distinct ones).
The product of its digits is 384, while the sum is 20.
The square root of 13144412 is about 3625.5223071993. The cubic root of 13144412 is about 236.0009336361. Note that the first 3 decimals are identical.
Adding to 13144412 its reverse (21444131), we get a palindrome (34588543).
It can be divided in two parts, 1 and 3144412, that added together give a palindrome (3144413).
The spelling of 13144412 in words is "thirteen million, one hundred forty-four thousand, four hundred twelve".
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