Base | Representation |
---|---|
bin | 110101111101… |
… | …001110100101 |
3 | 222121121111110 |
4 | 311331032211 |
5 | 12110110141 |
6 | 1223055233 |
7 | 231140244 |
oct | 65751645 |
9 | 28547443 |
10 | 14144421 |
11 | 7a90a05 |
12 | 48a1519 |
13 | 2c130a5 |
14 | 1c4295b |
15 | 1395e16 |
hex | d7d3a5 |
14144421 has 8 divisors (see below), whose sum is σ = 18986400. Its totient is φ = 9366032.
The previous prime is 14144419. The next prime is 14144423. The reversal of 14144421 is 12444141.
It is an interprime number because it is at equal distance from previous prime (14144419) and next prime (14144423).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 14144421 - 21 = 14144419 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14144423) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15375 + ... + 16268.
It is an arithmetic number, because the mean of its divisors is an integer number (2373300).
Almost surely, 214144421 is an apocalyptic number.
It is an amenable number.
14144421 is a deficient number, since it is larger than the sum of its proper divisors (4841979).
14144421 is a wasteful number, since it uses less digits than its factorization.
14144421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31795.
The product of its digits is 512, while the sum is 21.
The square root of 14144421 is about 3760.9069384924. The cubic root of 14144421 is about 241.8401432721.
Adding to 14144421 its reverse (12444141), we get a palindrome (26588562).
The spelling of 14144421 in words is "fourteen million, one hundred forty-four thousand, four hundred twenty-one".
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