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448718141 = 11324116477
BaseRepresentation
bin11010101111101…
…110010100111101
31011021100020120102
4122233232110331
51404332440031
6112305330445
714056020104
oct3257562475
91137306512
10448718141
11210320643
12106336a25
1371c6b3c1
144384703b
15295d87cb
hex1abee53d

448718141 has 8 divisors (see below), whose sum is σ = 454595064. Its totient is φ = 442874880.

The previous prime is 448718107. The next prime is 448718159. The reversal of 448718141 is 141817844.

It can be written as a sum of positive squares in 4 ways, for example, as 5784025 + 442934116 = 2405^2 + 21046^2 .

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-448718141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 448718095 and 448718104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448718191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18995 + ... + 35471.

It is an arithmetic number, because the mean of its divisors is an integer number (56824383).

Almost surely, 2448718141 is an apocalyptic number.

It is an amenable number.

448718141 is a deficient number, since it is larger than the sum of its proper divisors (5876923).

448718141 is a wasteful number, since it uses less digits than its factorization.

448718141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16831.

The product of its digits is 28672, while the sum is 38.

The square root of 448718141 is about 21182.9681820089. The cubic root of 448718141 is about 765.5811102893.

The spelling of 448718141 in words is "four hundred forty-eight million, seven hundred eighteen thousand, one hundred forty-one".

Divisors: 1 113 241 16477 27233 1861901 3970957 448718141