Base | Representation |
---|---|
bin | 11010101111000… |
… | …111101111010001 |
3 | 1011021001012202100 |
4 | 122233013233101 |
5 | 1404312410311 |
6 | 112302111013 |
7 | 14054461224 |
oct | 3257075721 |
9 | 1137035670 |
10 | 448560081 |
11 | 210222912 |
12 | 10627b469 |
13 | 71c14488 |
14 | 438055bb |
15 | 295a6a56 |
hex | 1abc7bd1 |
448560081 has 24 divisors (see below), whose sum is σ = 671285160. Its totient is φ = 288288000.
The previous prime is 448560061. The next prime is 448560097. The reversal of 448560081 is 180065844.
448560081 is a `hidden beast` number, since 4 + 48 + 5 + 600 + 8 + 1 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 35820225 + 412739856 = 5985^2 + 20316^2 .
It is not a de Polignac number, because 448560081 - 26 = 448560017 is a prime.
It is a super-2 number, since 2×4485600812 = 402412292533453122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (448560061) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338901 + ... + 340221.
It is an arithmetic number, because the mean of its divisors is an integer number (27970215).
Almost surely, 2448560081 is an apocalyptic number.
It is an amenable number.
448560081 is a deficient number, since it is larger than the sum of its proper divisors (222725079).
448560081 is a wasteful number, since it uses less digits than its factorization.
448560081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2657 (or 2654 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 36.
The square root of 448560081 is about 21179.2370259176. The cubic root of 448560081 is about 765.4912082994.
The spelling of 448560081 in words is "four hundred forty-eight million, five hundred sixty thousand, eighty-one".
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