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448460081 = 4283104707
BaseRepresentation
bin11010101110101…
…111010100110001
31011020212010120122
4122232233110301
51404301210311
6112300020025
714053563536
oct3256572461
91136763518
10448460081
11210164773
12106231615
1371baaac4
14437bad8d
15295870db
hex1abaf531

448460081 has 4 divisors (see below), whose sum is σ = 448569072. Its totient is φ = 448351092.

The previous prime is 448460063. The next prime is 448460101. The reversal of 448460081 is 180064844.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-448460081 is a prime.

It is a super-2 number, since 2×4484600812 = 402232888501053122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448460581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48071 + ... + 56636.

It is an arithmetic number, because the mean of its divisors is an integer number (112142268).

Almost surely, 2448460081 is an apocalyptic number.

It is an amenable number.

448460081 is a deficient number, since it is larger than the sum of its proper divisors (108991).

448460081 is a wasteful number, since it uses less digits than its factorization.

448460081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108990.

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 448460081 is about 21176.8760916241. The cubic root of 448460081 is about 765.4343189972.

The spelling of 448460081 in words is "four hundred forty-eight million, four hundred sixty thousand, eighty-one".

Divisors: 1 4283 104707 448460081