Base | Representation |
---|---|
bin | 11011111111101… |
… | …001011010000001 |
3 | 1012201202200102212 |
4 | 123333221122001 |
5 | 1430213411010 |
6 | 114334351505 |
7 | 14432060564 |
oct | 3377513201 |
9 | 1181680385 |
10 | 469669505 |
11 | 221130718 |
12 | 11135b595 |
13 | 763c5866 |
14 | 4653c4db |
15 | 2b376505 |
hex | 1bfe9681 |
469669505 has 8 divisors (see below), whose sum is σ = 563941224. Its totient is φ = 375510400.
The previous prime is 469669483. The next prime is 469669511. The reversal of 469669505 is 505966964.
It can be written as a sum of positive squares in 4 ways, for example, as 177635584 + 292033921 = 13328^2 + 17089^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 469669505 - 216 = 469603969 is a prime.
It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 18686 + ... + 35895.
It is an arithmetic number, because the mean of its divisors is an integer number (70492653).
Almost surely, 2469669505 is an apocalyptic number.
It is an amenable number.
469669505 is a deficient number, since it is larger than the sum of its proper divisors (94271719).
469669505 is a wasteful number, since it uses less digits than its factorization.
469669505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56307.
The product of its (nonzero) digits is 1749600, while the sum is 50.
The square root of 469669505 is about 21671.8597494539. The cubic root of 469669505 is about 777.3157264308.
The spelling of 469669505 in words is "four hundred sixty-nine million, six hundred sixty-nine thousand, five hundred five".
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