Base | Representation |
---|---|
bin | 1001100011010… |
… | …0010100110111 |
3 | 2210101021021200 |
4 | 2120310110313 |
5 | 40223411330 |
6 | 3550343543 |
7 | 664335426 |
oct | 230642467 |
9 | 83337250 |
10 | 40060215 |
11 | 20681918 |
12 | 114babb3 |
13 | 83b8090 |
14 | 546b2bd |
15 | 37b4a60 |
hex | 2634537 |
40060215 has 72 divisors (see below), whose sum is σ = 78868608. Its totient is φ = 18679680.
The previous prime is 40060213. The next prime is 40060247. The reversal of 40060215 is 51206004.
It is a happy number.
40060215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 40060215 - 21 = 40060213 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40060213) 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 71 ways as a sum of consecutive naturals, for example, 852322 + ... + 852368.
Almost surely, 240060215 is an apocalyptic number.
40060215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
40060215 is a deficient number, since it is larger than the sum of its proper divisors (38808393).
40060215 is a wasteful number, since it uses less digits than its factorization.
40060215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 149 (or 99 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 40060215 is about 6329.3139438647. The cubic root of 40060215 is about 342.1667136307.
Adding to 40060215 its reverse (51206004), we get a palindrome (91266219).
The spelling of 40060215 in words is "forty million, sixty thousand, two hundred fifteen".
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