Base | Representation |
---|---|
bin | 11011011110101… |
… | …11110100011100 |
3 | 121001202201221001 |
4 | 31233113310130 |
5 | 433003202030 |
6 | 34512520044 |
7 | 5466256132 |
oct | 1557276434 |
9 | 531681831 |
10 | 230522140 |
11 | 10913a772 |
12 | 65250024 |
13 | 389b2b44 |
14 | 22889752 |
15 | 15387cca |
hex | dbd7d1c |
230522140 has 24 divisors (see below), whose sum is σ = 495356400. Its totient is φ = 90064128.
The previous prime is 230522119. The next prime is 230522153. The reversal of 230522140 is 41225032.
230522140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133165 + ... + 134884.
It is an arithmetic number, because the mean of its divisors is an integer number (20639850).
Almost surely, 2230522140 is an apocalyptic number.
230522140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
230522140 is an abundant number, since it is smaller than the sum of its proper divisors (264834260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230522140 is a wasteful number, since it uses less digits than its factorization.
230522140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 268101 (or 268099 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 230522140 is about 15182.9555752495. The cubic root of 230522140 is about 613.1558566784.
Adding to 230522140 its reverse (41225032), we get a palindrome (271747172).
The spelling of 230522140 in words is "two hundred thirty million, five hundred twenty-two thousand, one hundred forty".
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