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479344669 = 1088944021
BaseRepresentation
bin11100100100100…
…011100000011101
31020101222020021021
4130210203200131
51440203012134
6115322004141
714610235216
oct3444434035
91211866237
10479344669
11226639821
12114646651
13784025cb
144793a40d
152c1380b4
hex1c92381d

479344669 has 4 divisors (see below), whose sum is σ = 479399580. Its totient is φ = 479289760.

The previous prime is 479344651. The next prime is 479344709. The reversal of 479344669 is 966443974.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 966443974 = 2483221987.

It can be written as a sum of positive squares in 2 ways, for example, as 85322169 + 394022500 = 9237^2 + 19850^2 .

It is a cyclic number.

It is not a de Polignac number, because 479344669 - 29 = 479344157 is a prime.

It is a super-2 number, since 2×4793446692 = 459542623397439122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479344469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11122 + ... + 32899.

It is an arithmetic number, because the mean of its divisors is an integer number (119849895).

Almost surely, 2479344669 is an apocalyptic number.

It is an amenable number.

479344669 is a deficient number, since it is larger than the sum of its proper divisors (54911).

479344669 is a wasteful number, since it uses less digits than its factorization.

479344669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54910.

The product of its digits is 3919104, while the sum is 52.

The square root of 479344669 is about 21893.9413765544. The cubic root of 479344669 is about 782.6170417666.

The spelling of 479344669 in words is "four hundred seventy-nine million, three hundred forty-four thousand, six hundred sixty-nine".

Divisors: 1 10889 44021 479344669