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479274449 = 1925224971
BaseRepresentation
bin11100100100010…
…010010111010001
31020101211122221112
4130210102113101
51440143240244
6115320303105
714606523413
oct3444222721
91211748845
10479274449
112265a0a95
12114611a95
13783a9664
144791c9b3
152c12239e
hex1c9125d1

479274449 has 4 divisors (see below), whose sum is σ = 504499440. Its totient is φ = 454049460.

The previous prime is 479274427. The next prime is 479274451. The reversal of 479274449 is 944472974.

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 not a de Polignac number, because 479274449 - 28 = 479274193 is a prime.

It is a super-3 number, since 3×4792744493 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 479274397 and 479274406.

It is not an unprimeable number, because it can be changed into a prime (479274409) 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, 12612467 + ... + 12612504.

It is an arithmetic number, because the mean of its divisors is an integer number (126124860).

Almost surely, 2479274449 is an apocalyptic number.

It is an amenable number.

479274449 is a deficient number, since it is larger than the sum of its proper divisors (25224991).

479274449 is a wasteful number, since it uses less digits than its factorization.

479274449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25224990.

The product of its digits is 2032128, while the sum is 50.

The square root of 479274449 is about 21892.3376778269. The cubic root of 479274449 is about 782.5788242751.

The spelling of 479274449 in words is "four hundred seventy-nine million, two hundred seventy-four thousand, four hundred forty-nine".

Divisors: 1 19 25224971 479274449