Base | Representation |
---|---|
bin | 11101000100111… |
… | …11110000100111 |
3 | 121222222121211111 |
4 | 32202133300213 |
5 | 444421032012 |
6 | 40112045451 |
7 | 6021214465 |
oct | 1642376047 |
9 | 558877744 |
10 | 243924007 |
11 | 115763798 |
12 | 69833887 |
13 | 3b6c5c42 |
14 | 24577835 |
15 | 16633ba7 |
hex | e89fc27 |
243924007 has 8 divisors (see below), whose sum is σ = 258428016. Its totient is φ = 229437312.
The previous prime is 243924001. The next prime is 243924013. The reversal of 243924007 is 700429342.
It is an interprime number because it is at equal distance from previous prime (243924001) and next prime (243924013).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 243924007 - 211 = 243921959 is a prime.
It is a zygodrome in base 9.
It is a self number, because there is not a number n which added to its sum of digits gives 243924007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (243924001) 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, 34933 + ... + 41329.
It is an arithmetic number, because the mean of its divisors is an integer number (32303502).
Almost surely, 2243924007 is an apocalyptic number.
243924007 is a deficient number, since it is larger than the sum of its proper divisors (14504009).
243924007 is a wasteful number, since it uses less digits than its factorization.
243924007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8657.
The product of its (nonzero) digits is 12096, while the sum is 31.
The square root of 243924007 is about 15618.0666857329. The cubic root of 243924007 is about 624.8150979434.
The spelling of 243924007 in words is "two hundred forty-three million, nine hundred twenty-four thousand, seven".
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