Base | Representation |
---|---|
bin | 10000111110101… |
… | …01000110101001 |
3 | 100221000020002122 |
4 | 20133111012221 |
5 | 242430240013 |
6 | 22044441025 |
7 | 3346432442 |
oct | 1037250651 |
9 | 327006078 |
10 | 142430633 |
11 | 73442274 |
12 | 3b849175 |
13 | 2367b7a7 |
14 | 14cb82c9 |
15 | c786a08 |
hex | 87d51a9 |
142430633 has 8 divisors (see below), whose sum is σ = 145635840. Its totient is φ = 139232800.
The previous prime is 142430623. The next prime is 142430657. The reversal of 142430633 is 336034241.
It is a happy number.
142430633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 142430633 - 220 = 141382057 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (142430623) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59408 + ... + 61758.
It is an arithmetic number, because the mean of its divisors is an integer number (18204480).
Almost surely, 2142430633 is an apocalyptic number.
It is an amenable number.
142430633 is a deficient number, since it is larger than the sum of its proper divisors (3205207).
142430633 is a wasteful number, since it uses less digits than its factorization.
142430633 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3687.
The product of its (nonzero) digits is 5184, while the sum is 26.
The square root of 142430633 is about 11934.4305687368. The cubic root of 142430633 is about 522.2371966549.
Adding to 142430633 its reverse (336034241), we get a palindrome (478464874).
The spelling of 142430633 in words is "one hundred forty-two million, four hundred thirty thousand, six hundred thirty-three".
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