Base | Representation |
---|---|
bin | 110100011011… |
… | …100000001111 |
3 | 221212021102100 |
4 | 310123200033 |
5 | 12004303033 |
6 | 1210330143 |
7 | 224552250 |
oct | 64334017 |
9 | 27767370 |
10 | 13744143 |
11 | 78381a6 |
12 | 4729953 |
13 | 2b02b3a |
14 | 1b7ab27 |
15 | 1317513 |
hex | d1b80f |
13744143 has 48 divisors (see below), whose sum is σ = 24687936. Its totient is φ = 7188480.
The previous prime is 13744141. The next prime is 13744153. The reversal of 13744143 is 34144731.
13744143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13744143 - 21 = 13744141 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13744141) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43755 + ... + 44067.
It is an arithmetic number, because the mean of its divisors is an integer number (514332).
Almost surely, 213744143 is an apocalyptic number.
13744143 is a deficient number, since it is larger than the sum of its proper divisors (10943793).
13744143 is a wasteful number, since it uses less digits than its factorization.
13744143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 384 (or 381 counting only the distinct ones).
The product of its digits is 4032, while the sum is 27.
The square root of 13744143 is about 3707.3094017090. The cubic root of 13744143 is about 239.5369718450.
Adding to 13744143 its reverse (34144731), we get a palindrome (47888874).
The spelling of 13744143 in words is "thirteen million, seven hundred forty-four thousand, one hundred forty-three".
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