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448951645 = 5213742017
BaseRepresentation
bin11010110000100…
…111010101011101
31011021210002212201
4122300213111131
51404412423040
6112314331501
714061011632
oct3260472535
91137702781
10448951645
1121047001a
12106429b91
137202077c
14438a8189
1529632a9a
hex1ac2755d

448951645 has 8 divisors (see below), whose sum is σ = 539006904. Its totient is φ = 358984704.

The previous prime is 448951597. The next prime is 448951649. The reversal of 448951645 is 546159844.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13227769 + 435723876 = 3637^2 + 20874^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-448951645 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 448951595 and 448951604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448951649) 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, 10324 + ... + 31693.

It is an arithmetic number, because the mean of its divisors is an integer number (67375863).

Almost surely, 2448951645 is an apocalyptic number.

It is an amenable number.

448951645 is a deficient number, since it is larger than the sum of its proper divisors (90055259).

448951645 is a wasteful number, since it uses less digits than its factorization.

448951645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44159.

The product of its digits is 691200, while the sum is 46.

The square root of 448951645 is about 21188.4790629247. The cubic root of 448951645 is about 765.7138849908.

The spelling of 448951645 in words is "four hundred forty-eight million, nine hundred fifty-one thousand, six hundred forty-five".

Divisors: 1 5 2137 10685 42017 210085 89790329 448951645