| Base | Representation |
|---|---|
| bin | 11011101011000… |
| … | …00011010101100 |
| 3 | 121011210102210120 |
| 4 | 31311200122230 |
| 5 | 433411131340 |
| 6 | 35011204540 |
| 7 | 5516034330 |
| oct | 1565403254 |
| 9 | 534712716 |
| 10 | 232130220 |
| 11 | 10a038963 |
| 12 | 658a6750 |
| 13 | 39126a7a |
| 14 | 22b877c0 |
| 15 | 155a44d0 |
| hex | dd606ac |
232130220 has 144 divisors (see below), whose sum is σ = 784482048. Its totient is φ = 50232960.
The previous prime is 232130183. The next prime is 232130221. The reversal of 232130220 is 22031232.
232130220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 232130220.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (232130221) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 150855 + ... + 152385.
It is an arithmetic number, because the mean of its divisors is an integer number (5447792).
Almost surely, 2232130220 is an apocalyptic number.
232130220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 232130220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392241024).
232130220 is an abundant number, since it is smaller than the sum of its proper divisors (552351828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
232130220 is a wasteful number, since it uses less digits than its factorization.
232130220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1588 (or 1567 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 232130220 is about 15235.8202929806. The cubic root of 232130220 is about 614.5783083173.
Adding to 232130220 its reverse (22031232), we get a palindrome (254161452).
The spelling of 232130220 in words is "two hundred thirty-two million, one hundred thirty thousand, two hundred twenty".
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