Base | Representation |
---|---|
bin | 111001111010… |
… | …1001001010111 |
3 | 2010010122220202 |
4 | 1303311021113 |
5 | 30233123442 |
6 | 3002451115 |
7 | 516043334 |
oct | 163651127 |
9 | 63118822 |
10 | 30364247 |
11 | 1615a121 |
12 | a203a9b |
13 | 63a1a14 |
14 | 406598b |
15 | 29ebc32 |
hex | 1cf5257 |
30364247 has 4 divisors (see below), whose sum is σ = 31411320. Its totient is φ = 29317176.
The previous prime is 30364237. The next prime is 30364253. The reversal of 30364247 is 74246303.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30364247 - 222 = 26169943 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 1047043 = 30364247 / (3 + 0 + 3 + 6 + 4 + 2 + 4 + 7).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30364207) 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, 523493 + ... + 523550.
It is an arithmetic number, because the mean of its divisors is an integer number (7852830).
Almost surely, 230364247 is an apocalyptic number.
30364247 is a deficient number, since it is larger than the sum of its proper divisors (1047073).
30364247 is a wasteful number, since it uses less digits than its factorization.
30364247 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1047072.
The product of its (nonzero) digits is 12096, while the sum is 29.
The square root of 30364247 is about 5510.3763029398. The cubic root of 30364247 is about 311.9757507726.
The spelling of 30364247 in words is "thirty million, three hundred sixty-four thousand, two hundred forty-seven".
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