Base | Representation |
---|---|
bin | 11011101011000… |
… | …00011001011100 |
3 | 121011210102200121 |
4 | 31311200121130 |
5 | 433411131030 |
6 | 35011204324 |
7 | 5516034154 |
oct | 1565403134 |
9 | 534712617 |
10 | 232130140 |
11 | 10a0388a0 |
12 | 658a66a4 |
13 | 39126a18 |
14 | 22b87764 |
15 | 155a447a |
hex | dd6065c |
232130140 has 24 divisors (see below), whose sum is σ = 531789552. Its totient is φ = 84410880.
The previous prime is 232130111. The next prime is 232130141. The reversal of 232130140 is 41031232.
It is a happy number.
232130140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (232130141) 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, 527349 + ... + 527788.
It is an arithmetic number, because the mean of its divisors is an integer number (22157898).
Almost surely, 2232130140 is an apocalyptic number.
232130140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
232130140 is an abundant number, since it is smaller than the sum of its proper divisors (299659412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
232130140 is a wasteful number, since it uses less digits than its factorization.
232130140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1055157 (or 1055155 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 232130140 is about 15235.8176675884. The cubic root of 232130140 is about 614.5782377157.
Adding to 232130140 its reverse (41031232), we get a palindrome (273161372).
The spelling of 232130140 in words is "two hundred thirty-two million, one hundred thirty thousand, one hundred forty".
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