Base | Representation |
---|---|
bin | 10010110010011… |
… | …010000110100101 |
3 | 210222010000121102 |
4 | 102302122012211 |
5 | 1121143012010 |
6 | 51135525445 |
7 | 10545122054 |
oct | 2262320645 |
9 | 728100542 |
10 | 315204005 |
11 | 151a19486 |
12 | 89689885 |
13 | 503c225c |
14 | 2dc1039b |
15 | 1ca13ba5 |
hex | 12c9a1a5 |
315204005 has 8 divisors (see below), whose sum is σ = 378470400. Its totient is φ = 252012816.
The previous prime is 315203981. The next prime is 315204007. The reversal of 315204005 is 500402513.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-315204005 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (315204007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9125 + ... + 26714.
It is an arithmetic number, because the mean of its divisors is an integer number (47308800).
Almost surely, 2315204005 is an apocalyptic number.
It is an amenable number.
315204005 is a deficient number, since it is larger than the sum of its proper divisors (63266395).
315204005 is a wasteful number, since it uses less digits than its factorization.
315204005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37603.
The product of its (nonzero) digits is 600, while the sum is 20.
The square root of 315204005 is about 17753.9856088710. The cubic root of 315204005 is about 680.5560654859.
Adding to 315204005 its reverse (500402513), we get a palindrome (815606518).
The spelling of 315204005 in words is "three hundred fifteen million, two hundred four thousand, five".
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