Base | Representation |
---|---|
bin | 11011110010101… |
… | …11011101110011 |
3 | 121020200211212202 |
4 | 31321113131303 |
5 | 434141022011 |
6 | 35045013415 |
7 | 5530450445 |
oct | 1571273563 |
9 | 536624782 |
10 | 233142131 |
11 | 10a66a152 |
12 | 660b426b |
13 | 393bc531 |
14 | 22d6c495 |
15 | 1570423b |
hex | de57773 |
233142131 has 8 divisors (see below), whose sum is σ = 246991680. Its totient is φ = 219307648.
The previous prime is 233142127. The next prime is 233142163. The reversal of 233142131 is 131241332.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 233142131 - 22 = 233142127 is a prime.
It is a super-2 number, since 2×2331421312 = 108710506494442322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (233142631) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50825 + ... + 55221.
It is an arithmetic number, because the mean of its divisors is an integer number (30873960).
Almost surely, 2233142131 is an apocalyptic number.
233142131 is a deficient number, since it is larger than the sum of its proper divisors (13849549).
233142131 is a wasteful number, since it uses less digits than its factorization.
233142131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7533.
The product of its digits is 432, while the sum is 20.
The square root of 233142131 is about 15268.9924683982. The cubic root of 233142131 is about 615.4700449536.
Adding to 233142131 its reverse (131241332), we get a palindrome (364383463).
The spelling of 233142131 in words is "two hundred thirty-three million, one hundred forty-two thousand, one hundred thirty-one".
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