Base | Representation |
---|---|
bin | 10000111110111… |
… | …00110100000101 |
3 | 100221001211102021 |
4 | 20133130310011 |
5 | 242432242323 |
6 | 22045243141 |
7 | 3346623505 |
oct | 1037346405 |
9 | 327054367 |
10 | 142462213 |
11 | 73463a73 |
12 | 3b8634b1 |
13 | 2368cc8a |
14 | 14cc5a05 |
15 | c79105d |
hex | 87dcd05 |
142462213 has 4 divisors (see below), whose sum is σ = 143285868. Its totient is φ = 141638560.
The previous prime is 142462183. The next prime is 142462241. The reversal of 142462213 is 312264241.
It is a happy number.
142462213 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 2 ways, for example, as 122810724 + 19651489 = 11082^2 + 4433^2 .
It is not a de Polignac number, because 142462213 - 225 = 108907781 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142462613) 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, 411568 + ... + 411913.
It is an arithmetic number, because the mean of its divisors is an integer number (35821467).
Almost surely, 2142462213 is an apocalyptic number.
It is an amenable number.
142462213 is a deficient number, since it is larger than the sum of its proper divisors (823655).
142462213 is an equidigital number, since it uses as much as digits as its factorization.
142462213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 823654.
The product of its digits is 2304, while the sum is 25.
The square root of 142462213 is about 11935.7535581127. The cubic root of 142462213 is about 522.2757909554.
The spelling of 142462213 in words is "one hundred forty-two million, four hundred sixty-two thousand, two hundred thirteen".
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