Base | Representation |
---|---|
bin | 10001010101010… |
… | …00100011011010 |
3 | 101010120202220121 |
4 | 20222220203122 |
5 | 244210101012 |
6 | 22232143454 |
7 | 3413553604 |
oct | 1052504332 |
9 | 333522817 |
10 | 145393882 |
11 | 75086637 |
12 | 40837b8a |
13 | 241784aa |
14 | 1544a174 |
15 | cb6ea07 |
hex | 8aa88da |
145393882 has 8 divisors (see below), whose sum is σ = 220339476. Its totient is φ = 71947392.
The previous prime is 145393867. The next prime is 145393883. The reversal of 145393882 is 288393541.
145393882 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 145226601 + 167281 = 12051^2 + 409^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×1453938822 = 42278761846059848, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (145393883) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374533 + ... + 374920.
Almost surely, 2145393882 is an apocalyptic number.
145393882 is a deficient number, since it is larger than the sum of its proper divisors (74945594).
145393882 is an equidigital number, since it uses as much as digits as its factorization.
145393882 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 749552.
The product of its digits is 207360, while the sum is 43.
The square root of 145393882 is about 12057.9385468661. The cubic root of 145393882 is about 525.8340568643.
The spelling of 145393882 in words is "one hundred forty-five million, three hundred ninety-three thousand, eight hundred eighty-two".
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