Base | Representation |
---|---|
bin | 1100011111110… |
… | …0101110101101 |
3 | 10122121222102022 |
4 | 3013330232231 |
5 | 101404243110 |
6 | 5111235525 |
7 | 1204344410 |
oct | 307745655 |
9 | 118558368 |
10 | 52415405 |
11 | 27650519 |
12 | 15678ba5 |
13 | ab22943 |
14 | 6d65b77 |
15 | 4905755 |
hex | 31fcbad |
52415405 has 16 divisors (see below), whose sum is σ = 72629760. Its totient is φ = 35569152.
The previous prime is 52415399. The next prime is 52415417. The reversal of 52415405 is 50451425.
It is a cyclic number.
It is not a de Polignac number, because 52415405 - 28 = 52415149 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4325 + ... + 11114.
It is an arithmetic number, because the mean of its divisors is an integer number (4539360).
Almost surely, 252415405 is an apocalyptic number.
It is an amenable number.
52415405 is a deficient number, since it is larger than the sum of its proper divisors (20214355).
52415405 is a wasteful number, since it uses less digits than its factorization.
52415405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15548.
The product of its (nonzero) digits is 4000, while the sum is 26.
The square root of 52415405 is about 7239.8484100152. The cubic root of 52415405 is about 374.2423934131.
The spelling of 52415405 in words is "fifty-two million, four hundred fifteen thousand, four hundred five".
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