Base | Representation |
---|---|
bin | 11011101000000… |
… | …11100111111101 |
3 | 121011002010102120 |
4 | 31310003213331 |
5 | 433312001031 |
6 | 34555113153 |
7 | 5512562250 |
oct | 1564034775 |
9 | 534063376 |
10 | 231750141 |
11 | 1098a9347 |
12 | 657427b9 |
13 | 39022a7c |
14 | 22ac9097 |
15 | 1552ba96 |
hex | dd039fd |
231750141 has 32 divisors (see below), whose sum is σ = 366010368. Its totient is φ = 127638720.
The previous prime is 231750131. The next prime is 231750143. The reversal of 231750141 is 141057132.
It is not a de Polignac number, because 231750141 - 25 = 231750109 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231750143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205806 + ... + 206928.
It is an arithmetic number, because the mean of its divisors is an integer number (11437824).
Almost surely, 2231750141 is an apocalyptic number.
231750141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
231750141 is a deficient number, since it is larger than the sum of its proper divisors (134260227).
231750141 is a wasteful number, since it uses less digits than its factorization.
231750141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1481.
The product of its (nonzero) digits is 840, while the sum is 24.
The square root of 231750141 is about 15223.3419786852. The cubic root of 231750141 is about 614.2426979664.
The spelling of 231750141 in words is "two hundred thirty-one million, seven hundred fifty thousand, one hundred forty-one".
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