Base | Representation |
---|---|
bin | 111000010110… |
… | …111111011111 |
3 | 1000210121110001 |
4 | 320112333133 |
5 | 12240233424 |
6 | 1244355131 |
7 | 236402404 |
oct | 70267737 |
9 | 30717401 |
10 | 14774239 |
11 | 8381117 |
12 | 4b45aa7 |
13 | 30a396c |
14 | 1d682ab |
15 | 146c844 |
hex | e16fdf |
14774239 has 4 divisors (see below), whose sum is σ = 14912424. Its totient is φ = 14636056.
The previous prime is 14774233. The next prime is 14774269. The reversal of 14774239 is 93247741.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93247741 = 227 ⋅410783.
It is a cyclic number.
It is not a de Polignac number, because 14774239 - 23 = 14774231 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 14774198 and 14774207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14774231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68932 + ... + 69145.
It is an arithmetic number, because the mean of its divisors is an integer number (3728106).
Almost surely, 214774239 is an apocalyptic number.
14774239 is a deficient number, since it is larger than the sum of its proper divisors (138185).
14774239 is a wasteful number, since it uses less digits than its factorization.
14774239 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138184.
The product of its digits is 42336, while the sum is 37.
The square root of 14774239 is about 3843.7272275748. The cubic root of 14774239 is about 245.3776710210.
The spelling of 14774239 in words is "fourteen million, seven hundred seventy-four thousand, two hundred thirty-nine".
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