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449930319 = 3198775479
BaseRepresentation
bin11010110100010…
…110010001001111
31011100121211100220
4122310112101033
51410140232234
6112351322423
714102226126
oct3264262117
91140554326
10449930319
11210a79343
12106820413
13722a4077
1443a80abd
1529777a49
hex1ad1644f

449930319 has 8 divisors (see below), whose sum is σ = 600216960. Its totient is φ = 299798616.

The previous prime is 449930293. The next prime is 449930339. The reversal of 449930319 is 913039944.

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

It is not a de Polignac number, because 449930319 - 25 = 449930287 is a prime.

It is a super-2 number, since 2×4499303192 = 404874583910883522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449930339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31779 + ... + 43700.

It is an arithmetic number, because the mean of its divisors is an integer number (75027120).

Almost surely, 2449930319 is an apocalyptic number.

449930319 is a deficient number, since it is larger than the sum of its proper divisors (150286641).

449930319 is a wasteful number, since it uses less digits than its factorization.

449930319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77469.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 449930319 is about 21211.5609750909. The cubic root of 449930319 is about 766.2698768647.

The spelling of 449930319 in words is "four hundred forty-nine million, nine hundred thirty thousand, three hundred nineteen".

Divisors: 1 3 1987 5961 75479 226437 149976773 449930319