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448968617 = 1025343789
BaseRepresentation
bin11010110000101…
…011011110101001
31011021210222011022
4122300223132221
51404413443432
6112314542225
714061112256
oct3260533651
91137728138
10448968617
11210481849
12106437975
1372028406
14438b042d
1529637b12
hex1ac2b7a9

448968617 has 4 divisors (see below), whose sum is σ = 449022660. Its totient is φ = 448914576.

The previous prime is 448968577. The next prime is 448968643. The reversal of 448968617 is 716869844.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 212547241 + 236421376 = 14579^2 + 15376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-448968617 is a prime.

It is a super-3 number, since 3×4489686173 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448968647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11642 + ... + 32147.

It is an arithmetic number, because the mean of its divisors is an integer number (112255665).

Almost surely, 2448968617 is an apocalyptic number.

It is an amenable number.

448968617 is a deficient number, since it is larger than the sum of its proper divisors (54043).

448968617 is a wasteful number, since it uses less digits than its factorization.

448968617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54042.

The product of its digits is 2322432, while the sum is 53.

The square root of 448968617 is about 21188.8795598068. The cubic root of 448968617 is about 765.7235337896.

The spelling of 448968617 in words is "four hundred forty-eight million, nine hundred sixty-eight thousand, six hundred seventeen".

Divisors: 1 10253 43789 448968617