Base | Representation |
---|---|
bin | 111000111010… |
… | …111001001101 |
3 | 1001002002011111 |
4 | 320322321031 |
5 | 12304440133 |
6 | 1251452021 |
7 | 240554212 |
oct | 70727115 |
9 | 31062144 |
10 | 14921293 |
11 | 8471652 |
12 | 4bb7011 |
13 | 312588a |
14 | 1da5b09 |
15 | 149b1cd |
hex | e3ae4d |
14921293 has 4 divisors (see below), whose sum is σ = 15035328. Its totient is φ = 14807260.
The previous prime is 14921281. The next prime is 14921299. The reversal of 14921293 is 39212941.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39212941 = 19 ⋅2063839.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-14921293 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14921299) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56821 + ... + 57082.
It is an arithmetic number, because the mean of its divisors is an integer number (3758832).
Almost surely, 214921293 is an apocalyptic number.
It is an amenable number.
14921293 is a deficient number, since it is larger than the sum of its proper divisors (114035).
14921293 is a wasteful number, since it uses less digits than its factorization.
14921293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114034.
The product of its digits is 3888, while the sum is 31.
The square root of 14921293 is about 3862.8089520451. The cubic root of 14921293 is about 246.1890993204.
It can be divided in two parts, 1 and 4921293, that added together give a palindrome (4921294).
The spelling of 14921293 in words is "fourteen million, nine hundred twenty-one thousand, two hundred ninety-three".
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