Base | Representation |
---|---|
bin | 1011101000010101… |
… | …10010011100010101 |
3 | 121010011002122110111 |
4 | 11310022302130111 |
5 | 100241422434110 |
6 | 2511325323021 |
7 | 310505501605 |
oct | 56412623425 |
9 | 17104078414 |
10 | 6243952405 |
11 | 2714603949 |
12 | 1263106471 |
13 | 7867a18c2 |
14 | 433392c05 |
15 | 268274e8a |
hex | 1742b2715 |
6243952405 has 8 divisors (see below), whose sum is σ = 7531566552. Its totient is φ = 4969279488.
The previous prime is 6243952399. The next prime is 6243952417. The reversal of 6243952405 is 5042593426.
It can be written as a sum of positive squares in 4 ways, for example, as 228553924 + 6015398481 = 15118^2 + 77559^2 .
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 6243952405 - 27 = 6243952277 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3234244 + ... + 3236173.
It is an arithmetic number, because the mean of its divisors is an integer number (941445819).
Almost surely, 26243952405 is an apocalyptic number.
It is an amenable number.
6243952405 is a deficient number, since it is larger than the sum of its proper divisors (1287614147).
6243952405 is a wasteful number, since it uses less digits than its factorization.
6243952405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6470615.
The product of its (nonzero) digits is 259200, while the sum is 40.
The square root of 6243952405 is about 79018.6838981769. The cubic root of 6243952405 is about 1841.4214367778.
The spelling of 6243952405 in words is "six billion, two hundred forty-three million, nine hundred fifty-two thousand, four hundred five".
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