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447074009 = 1923530211
BaseRepresentation
bin11010101001011…
…100111011011001
31011011020201020122
4122221130323121
51403422332014
6112210203025
714036031524
oct3251347331
91134221218
10447074009
1120a3a8358
12105883475
1371813c45
1443539bbb
15293b158e
hex1aa5ced9

447074009 has 4 divisors (see below), whose sum is σ = 470604240. Its totient is φ = 423543780.

The previous prime is 447073999. The next prime is 447074029. The reversal of 447074009 is 900470744.

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.

It is a cyclic number.

It is not a de Polignac number, because 447074009 - 24 = 447073993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 447074009.

It is not an unprimeable number, because it can be changed into a prime (447074029) 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, 11765087 + ... + 11765124.

It is an arithmetic number, because the mean of its divisors is an integer number (117651060).

Almost surely, 2447074009 is an apocalyptic number.

It is an amenable number.

447074009 is a deficient number, since it is larger than the sum of its proper divisors (23530231).

447074009 is a wasteful number, since it uses less digits than its factorization.

447074009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23530230.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 447074009 is about 21144.1246922165. The cubic root of 447074009 is about 764.6449198666.

The spelling of 447074009 in words is "four hundred forty-seven million, seventy-four thousand, nine".

Divisors: 1 19 23530211 447074009