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469669505 = 5172154581
BaseRepresentation
bin11011111111101…
…001011010000001
31012201202200102212
4123333221122001
51430213411010
6114334351505
714432060564
oct3377513201
91181680385
10469669505
11221130718
1211135b595
13763c5866
144653c4db
152b376505
hex1bfe9681

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".

Divisors: 1 5 1721 8605 54581 272905 93933901 469669505