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448648241 = 17292573541
BaseRepresentation
bin11010101111011…
…101010000110001
31011021012200200112
4122233131100301
51404323220431
6112304031105
714055306236
oct3257352061
91137180615
10448648241
11210283078
12106302495
1371c45642
144382978d
15295c2c2b
hex1abdd431

448648241 has 16 divisors (see below), whose sum is σ = 493471440. Its totient is φ = 405995520.

The previous prime is 448648231. The next prime is 448648247. The reversal of 448648241 is 142846844.

It can be written as a sum of positive squares in 8 ways, for example, as 84640000 + 364008241 = 9200^2 + 19079^2 .

It is a cyclic number.

It is not a de Polignac number, because 448648241 - 26 = 448648177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448648247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124931 + ... + 128471.

It is an arithmetic number, because the mean of its divisors is an integer number (30841965).

Almost surely, 2448648241 is an apocalyptic number.

It is an amenable number.

448648241 is a deficient number, since it is larger than the sum of its proper divisors (44823199).

448648241 is a wasteful number, since it uses less digits than its factorization.

448648241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844.

The product of its digits is 196608, while the sum is 41.

The square root of 448648241 is about 21181.3182073260. The cubic root of 448648241 is about 765.5413548959.

The spelling of 448648241 in words is "four hundred forty-eight million, six hundred forty-eight thousand, two hundred forty-one".

Divisors: 1 17 29 257 493 3541 4369 7453 60197 102689 126701 910037 1745713 15470629 26391073 448648241