Base | Representation |
---|---|
bin | 11011111010010… |
… | …11100110110011 |
3 | 121022120122121210 |
4 | 31331023212303 |
5 | 434420022011 |
6 | 35122251203 |
7 | 5542114056 |
oct | 1575134663 |
9 | 538518553 |
10 | 234142131 |
11 | 1101924a3 |
12 | 664b6b03 |
13 | 3967c752 |
14 | 2314ca9d |
15 | 158506a6 |
hex | df4b9b3 |
234142131 has 8 divisors (see below), whose sum is σ = 312472000. Its totient is φ = 155953512.
The previous prime is 234142123. The next prime is 234142133. The reversal of 234142131 is 131241432.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 234142131 - 23 = 234142123 is a prime.
It is a super-2 number, since 2×2341421312 = 109645075018442322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 234142098 and 234142107.
It is not an unprimeable number, because it can be changed into a prime (234142133) 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, 31381 + ... + 38118.
It is an arithmetic number, because the mean of its divisors is an integer number (39059000).
Almost surely, 2234142131 is an apocalyptic number.
234142131 is a deficient number, since it is larger than the sum of its proper divisors (78329869).
234142131 is a wasteful number, since it uses less digits than its factorization.
234142131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70625.
The product of its digits is 576, while the sum is 21.
The square root of 234142131 is about 15301.7035326136. The cubic root of 234142131 is about 616.3487538184.
Adding to 234142131 its reverse (131241432), we get a palindrome (365383563).
The spelling of 234142131 in words is "two hundred thirty-four million, one hundred forty-two thousand, one hundred thirty-one".
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