Search a number
-
+
469641329 = 2007123399
BaseRepresentation
bin11011111111100…
…010100001110001
31012201201020210022
4123333202201301
51430212010304
6114334013225
714431612463
oct3377424161
91181636708
10469641329
11221111533
12111347215
13763b5aa1
1446532133
152b36cebe
hex1bfe2871

469641329 has 4 divisors (see below), whose sum is σ = 469684800. Its totient is φ = 469597860.

The previous prime is 469641317. The next prime is 469641353. The reversal of 469641329 is 923146964.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2k-469641329 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 469641329.

It is not an unprimeable number, because it can be changed into a prime (469643329) 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, 8372 + ... + 31770.

It is an arithmetic number, because the mean of its divisors is an integer number (117421200).

Almost surely, 2469641329 is an apocalyptic number.

It is an amenable number.

469641329 is a deficient number, since it is larger than the sum of its proper divisors (43471).

469641329 is a wasteful number, since it uses less digits than its factorization.

469641329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43470.

The product of its digits is 279936, while the sum is 44.

The square root of 469641329 is about 21671.2096801263. The cubic root of 469641329 is about 777.3001821061.

The spelling of 469641329 in words is "four hundred sixty-nine million, six hundred forty-one thousand, three hundred twenty-nine".

Divisors: 1 20071 23399 469641329