Base | Representation |
---|---|
bin | 1001010111101… |
… | …0000000010111 |
3 | 2201221111102012 |
4 | 2111322000113 |
5 | 40030001142 |
6 | 3522134435 |
7 | 655006436 |
oct | 225720027 |
9 | 81844365 |
10 | 39297047 |
11 | 202004a9 |
12 | 111b141b |
13 | 81ab8ba |
14 | 530d11d |
15 | 36b3882 |
hex | 257a017 |
39297047 has 4 divisors (see below), whose sum is σ = 41608656. Its totient is φ = 36985440.
The previous prime is 39297043. The next prime is 39297053. The reversal of 39297047 is 74079293.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74079293 = 8573 ⋅8641.
It is a cyclic number.
It is not a de Polignac number, because 39297047 - 22 = 39297043 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 39296995 and 39297013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39297043) 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, 1155779 + ... + 1155812.
It is an arithmetic number, because the mean of its divisors is an integer number (10402164).
Almost surely, 239297047 is an apocalyptic number.
39297047 is a deficient number, since it is larger than the sum of its proper divisors (2311609).
39297047 is a wasteful number, since it uses less digits than its factorization.
39297047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2311608.
The product of its (nonzero) digits is 95256, while the sum is 41.
The square root of 39297047 is about 6268.7356779497. The cubic root of 39297047 is about 339.9799497980.
The spelling of 39297047 in words is "thirty-nine million, two hundred ninety-seven thousand, forty-seven".
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