Base | Representation |
---|---|
bin | 11111010111100… |
… | …11110000011110 |
3 | 200100011000112221 |
4 | 33223303300132 |
5 | 1014331024210 |
6 | 42040015554 |
7 | 6343450045 |
oct | 1753636036 |
9 | 610130487 |
10 | 263142430 |
11 | 12559a891 |
12 | 741615ba |
13 | 426946a5 |
14 | 26d3b55c |
15 | 1817d1da |
hex | faf3c1e |
263142430 has 8 divisors (see below), whose sum is σ = 473656392. Its totient is φ = 105256968.
The previous prime is 263142427. The next prime is 263142431. The reversal of 263142430 is 34241362.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 263142395 and 263142404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (263142431) 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, 13157112 + ... + 13157131.
It is an arithmetic number, because the mean of its divisors is an integer number (59207049).
Almost surely, 2263142430 is an apocalyptic number.
263142430 is a deficient number, since it is larger than the sum of its proper divisors (210513962).
263142430 is a wasteful number, since it uses less digits than its factorization.
263142430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26314250.
The product of its (nonzero) digits is 3456, while the sum is 25.
The square root of 263142430 is about 16221.6654508716. The cubic root of 263142430 is about 640.8114950351.
Adding to 263142430 its reverse (34241362), we get a palindrome (297383792).
The spelling of 263142430 in words is "two hundred sixty-three million, one hundred forty-two thousand, four hundred thirty".
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