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327980449 = 354792467
BaseRepresentation
bin10011100011001…
…001010110100001
3211212011010121001
4103203021112201
51132430333244
652313432001
711061534136
oct2343112641
9755133531
10327980449
11159155625
1291a0b601
1352c46794
14317b858d
151dbd95d4
hex138c95a1

327980449 has 4 divisors (see below), whose sum is σ = 328076464. Its totient is φ = 327884436.

The previous prime is 327980423. The next prime is 327980461. The reversal of 327980449 is 944089723.

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 an emirpimes, since its reverse is a distinct semiprime: 944089723 = 1019347423.

It is a cyclic number.

It is not a de Polignac number, because 327980449 - 213 = 327972257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 327980399 and 327980408.

It is not an unprimeable number, because it can be changed into a prime (327983449) 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, 42687 + ... + 49780.

It is an arithmetic number, because the mean of its divisors is an integer number (82019116).

Almost surely, 2327980449 is an apocalyptic number.

It is an amenable number.

327980449 is a deficient number, since it is larger than the sum of its proper divisors (96015).

327980449 is an equidigital number, since it uses as much as digits as its factorization.

327980449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96014.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 327980449 is about 18110.2305065397. The cubic root of 327980449 is about 689.6297453459.

The spelling of 327980449 in words is "three hundred twenty-seven million, nine hundred eighty thousand, four hundred forty-nine".

Divisors: 1 3547 92467 327980449