Base | Representation |
---|---|
bin | 110110111000… |
… | …100011000001 |
3 | 1000001221210102 |
4 | 312320203001 |
5 | 12140344033 |
6 | 1232212145 |
7 | 233201516 |
oct | 66704301 |
9 | 30057712 |
10 | 14387393 |
11 | 8137509 |
12 | 499a055 |
13 | 2c99867 |
14 | 1ca730d |
15 | 13e2de8 |
hex | db88c1 |
14387393 has 8 divisors (see below), whose sum is σ = 14932200. Its totient is φ = 13845888.
The previous prime is 14387371. The next prime is 14387407. The reversal of 14387393 is 39378341.
It can be written as a sum of positive squares in 4 ways, for example, as 1763584 + 12623809 = 1328^2 + 3553^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-14387393 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (14387333) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11255 + ... + 12467.
It is an arithmetic number, because the mean of its divisors is an integer number (1866525).
Almost surely, 214387393 is an apocalyptic number.
It is an amenable number.
14387393 is a deficient number, since it is larger than the sum of its proper divisors (544807).
14387393 is a wasteful number, since it uses less digits than its factorization.
14387393 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1651.
The product of its digits is 54432, while the sum is 38.
The square root of 14387393 is about 3793.0717103688. The cubic root of 14387393 is about 243.2170606485.
The spelling of 14387393 in words is "fourteen million, three hundred eighty-seven thousand, three hundred ninety-three".
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