Base | Representation |
---|---|
bin | 11010100010101… |
… | …100000110010110 |
3 | 1011000220122022220 |
4 | 122202230012112 |
5 | 1402444114032 |
6 | 112104203210 |
7 | 14014666026 |
oct | 3242540626 |
9 | 1130818286 |
10 | 445301142 |
11 | 2093a7380 |
12 | 105169506 |
13 | 71343000 |
14 | 431d7a86 |
15 | 2916112c |
hex | 1a8ac196 |
445301142 has 128 divisors (see below), whose sum is σ = 1093962240. Its totient is φ = 119733120.
The previous prime is 445301099. The next prime is 445301149. The reversal of 445301142 is 241103544.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (445301149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5365033 + ... + 5365115.
It is an arithmetic number, because the mean of its divisors is an integer number (8546580).
Almost surely, 2445301142 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 445301142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546981120).
445301142 is an abundant number, since it is smaller than the sum of its proper divisors (648661098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
445301142 is a wasteful number, since it uses less digits than its factorization.
445301142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 175 (or 149 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 445301142 is about 21102.1596525095. The cubic root of 445301142 is about 763.6328505997.
Adding to 445301142 its reverse (241103544), we get a palindrome (686404686).
The spelling of 445301142 in words is "four hundred forty-five million, three hundred one thousand, one hundred forty-two".
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