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479841949 = 1731789041
BaseRepresentation
bin11100100110011…
…100111010011101
31020102220111102001
4130212130322131
51440314420244
6115340402301
714614406056
oct3446347235
91212814361
10479841949
112269493a4
12114846391
1378547a62
1447a2972d
152c1d55d4
hex1c99ce9d

479841949 has 8 divisors (see below), whose sum is σ = 509676408. Its totient is φ = 450186240.

The previous prime is 479841889. The next prime is 479842009. The reversal of 479841949 is 949148974.

It is an interprime number because it is at equal distance from previous prime (479841889) and next prime (479842009).

It can be written as a sum of positive squares in 4 ways, for example, as 1545049 + 478296900 = 1243^2 + 21870^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 479841949 - 29 = 479841437 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 479841949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479841149) 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 7 ways as a sum of consecutive naturals, for example, 39132 + ... + 49909.

It is an arithmetic number, because the mean of its divisors is an integer number (63709551).

Almost surely, 2479841949 is an apocalyptic number.

It is an amenable number.

479841949 is a deficient number, since it is larger than the sum of its proper divisors (29834459).

479841949 is a wasteful number, since it uses less digits than its factorization.

479841949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89375.

The product of its digits is 2612736, while the sum is 55.

The square root of 479841949 is about 21905.2949991549. The cubic root of 479841949 is about 782.8875814740.

The spelling of 479841949 in words is "four hundred seventy-nine million, eight hundred forty-one thousand, nine hundred forty-nine".

Divisors: 1 17 317 5389 89041 1513697 28225997 479841949