Base | Representation |
---|---|
bin | 11011100010110… |
… | …00101101100101 |
3 | 121002202120010120 |
4 | 31301120231211 |
5 | 433122100320 |
6 | 34532112153 |
7 | 5503615260 |
oct | 1561305545 |
9 | 532676116 |
10 | 231050085 |
11 | 109470392 |
12 | 65465659 |
13 | 38b39236 |
14 | 22985cd7 |
15 | 1543e440 |
hex | dc58b65 |
231050085 has 32 divisors (see below), whose sum is σ = 423118080. Its totient is φ = 105466368.
The previous prime is 231050081. The next prime is 231050101. The reversal of 231050085 is 580050132.
It is not a de Polignac number, because 231050085 - 22 = 231050081 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231050081) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98911 + ... + 101219.
It is an arithmetic number, because the mean of its divisors is an integer number (13222440).
Almost surely, 2231050085 is an apocalyptic number.
It is an amenable number.
231050085 is a deficient number, since it is larger than the sum of its proper divisors (192067995).
231050085 is a wasteful number, since it uses less digits than its factorization.
231050085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3277.
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 231050085 is about 15200.3317398009. The cubic root of 231050085 is about 613.6235858070.
The spelling of 231050085 in words is "two hundred thirty-one million, fifty thousand, eighty-five".
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