Base | Representation |
---|---|
bin | 1000111111110100… |
… | …0010011000101010 |
3 | 20020022111221121002 |
4 | 2033331002120222 |
5 | 14421234024232 |
6 | 1035352515002 |
7 | 113564241416 |
oct | 21775023052 |
9 | 6208457532 |
10 | 2415142442 |
11 | 102a315299 |
12 | 5749aba62 |
13 | 2c648b08b |
14 | 18ca81d46 |
15 | e2067b62 |
hex | 8ff4262a |
2415142442 has 4 divisors (see below), whose sum is σ = 3622713666. Its totient is φ = 1207571220.
The previous prime is 2415142427. The next prime is 2415142447. The reversal of 2415142442 is 2442415142.
It is a happy number.
2415142442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 2088581401 + 326561041 = 45701^2 + 18071^2 .
It is not an unprimeable number, because it can be changed into a prime (2415142447) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603785609 + ... + 603785612.
Almost surely, 22415142442 is an apocalyptic number.
2415142442 is a deficient number, since it is larger than the sum of its proper divisors (1207571224).
2415142442 is a wasteful number, since it uses less digits than its factorization.
2415142442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1207571223.
The product of its digits is 10240, while the sum is 29.
The square root of 2415142442 is about 49144.0987505112. The cubic root of 2415142442 is about 1341.6757904570.
Adding to 2415142442 its reverse (2442415142), we get a palindrome (4857557584).
The spelling of 2415142442 in words is "two billion, four hundred fifteen million, one hundred forty-two thousand, four hundred forty-two".
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