Base | Representation |
---|---|
bin | 11011111110101… |
… | …010111000100001 |
3 | 1012201021200010211 |
4 | 123332222320201 |
5 | 1430132212114 |
6 | 114325054121 |
7 | 14426643133 |
oct | 3376527041 |
9 | 1181250124 |
10 | 469413409 |
11 | 220a76273 |
12 | 111257341 |
13 | 7633611a |
14 | 464b3053 |
15 | 2b3256c4 |
hex | 1bfaae21 |
469413409 has 4 divisors (see below), whose sum is σ = 469460016. Its totient is φ = 469366804.
The previous prime is 469413397. The next prime is 469413437. The reversal of 469413409 is 904314964.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 469413409 - 27 = 469413281 is a prime.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (463413409) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 1219 + ... + 30664.
It is an arithmetic number, because the mean of its divisors is an integer number (117365004).
Almost surely, 2469413409 is an apocalyptic number.
It is an amenable number.
469413409 is a deficient number, since it is larger than the sum of its proper divisors (46607).
469413409 is a wasteful number, since it uses less digits than its factorization.
469413409 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46606.
The product of its (nonzero) digits is 93312, while the sum is 40.
The square root of 469413409 is about 21665.9504522650. The cubic root of 469413409 is about 777.1744188100.
The spelling of 469413409 in words is "four hundred sixty-nine million, four hundred thirteen thousand, four hundred nine".
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