Base | Representation |
---|---|
bin | 10000111101110… |
… | …00011011110010 |
3 | 100220210021000100 |
4 | 20132320123302 |
5 | 242413010302 |
6 | 22042133230 |
7 | 3345433203 |
oct | 1036703362 |
9 | 326707010 |
10 | 142313202 |
11 | 73372019 |
12 | 3b7b1216 |
13 | 2363a1c5 |
14 | 14c875aa |
15 | c761d1c |
hex | 87b86f2 |
142313202 has 12 divisors (see below), whose sum is σ = 308345310. Its totient is φ = 47437728.
The previous prime is 142313201. The next prime is 142313203. The reversal of 142313202 is 202313241.
It is an interprime number because it is at equal distance from previous prime (142313201) and next prime (142313203).
It can be written as a sum of positive squares in only one way, i.e., 96059601 + 46253601 = 9801^2 + 6801^2 .
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 7906289 = 142313202 / (1 + 4 + 2 + 3 + 1 + 3 + 2 + 0 + 2).
It is not an unprimeable number, because it can be changed into a prime (142313201) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3953127 + ... + 3953162.
Almost surely, 2142313202 is an apocalyptic number.
142313202 is an abundant number, since it is smaller than the sum of its proper divisors (166032108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142313202 is a wasteful number, since it uses less digits than its factorization.
142313202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7906297 (or 7906294 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 142313202 is about 11929.5097133118. The cubic root of 142313202 is about 522.0936327392.
Adding to 142313202 its reverse (202313241), we get a palindrome (344626443).
The spelling of 142313202 in words is "one hundred forty-two million, three hundred thirteen thousand, two hundred two".
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