Base | Representation |
---|---|
bin | 111001011011… |
… | …0011001101111 |
3 | 2002122121101020 |
4 | 1302312121233 |
5 | 30201412442 |
6 | 2553145223 |
7 | 513623142 |
oct | 162663157 |
9 | 62577336 |
10 | 30107247 |
11 | 15aa4025 |
12 | a0bb213 |
13 | 6311a51 |
14 | 3dda059 |
15 | 299a9ec |
hex | 1cb666f |
30107247 has 8 divisors (see below), whose sum is σ = 40249344. Its totient is φ = 20018328.
The previous prime is 30107227. The next prime is 30107269. The reversal of 30107247 is 74270103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30107247 - 28 = 30106991 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30107227) 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, 11953 + ... + 14250.
It is an arithmetic number, because the mean of its divisors is an integer number (5031168).
Almost surely, 230107247 is an apocalyptic number.
30107247 is a deficient number, since it is larger than the sum of its proper divisors (10142097).
30107247 is a wasteful number, since it uses less digits than its factorization.
30107247 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26589.
The product of its (nonzero) digits is 1176, while the sum is 24.
The square root of 30107247 is about 5487.0071077045. The cubic root of 30107247 is about 311.0930784285.
The spelling of 30107247 in words is "thirty million, one hundred seven thousand, two hundred forty-seven".
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