Base | Representation |
---|---|
bin | 1001100101100… |
… | …1100000100010 |
3 | 2210200000012101 |
4 | 2121121200202 |
5 | 40243300024 |
6 | 3553521014 |
7 | 665541436 |
oct | 231314042 |
9 | 83600171 |
10 | 40212514 |
11 | 20776291 |
12 | 1157316a |
13 | 843c4b4 |
14 | 54aa9c6 |
15 | 37e4c44 |
hex | 2659822 |
40212514 has 32 divisors (see below), whose sum is σ = 65726640. Its totient is φ = 18382848.
The previous prime is 40212511. The next prime is 40212521. The reversal of 40212514 is 41521204.
It can be written as a sum of positive squares in 8 ways, for example, as 20115225 + 20097289 = 4485^2 + 4483^2 .
It is a junction number, because it is equal to n+sod(n) for n = 40212491 and 40212500.
It is not an unprimeable number, because it can be changed into a prime (40212511) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293454 + ... + 293590.
Almost surely, 240212514 is an apocalyptic number.
40212514 is a deficient number, since it is larger than the sum of its proper divisors (25514126).
40212514 is a wasteful number, since it uses less digits than its factorization.
40212514 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 342.
The product of its (nonzero) digits is 320, while the sum is 19.
The square root of 40212514 is about 6341.3337713765. Note that the first 3 decimals coincide. The cubic root of 40212514 is about 342.5997762834.
Adding to 40212514 its reverse (41521204), we get a palindrome (81733718).
The spelling of 40212514 in words is "forty million, two hundred twelve thousand, five hundred fourteen".
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