Base | Representation |
---|---|
bin | 11010001110100… |
… | …01111011001000 |
3 | 120022222210001012 |
4 | 31013101323020 |
5 | 422310342412 |
6 | 33455343052 |
7 | 5311034036 |
oct | 1507217310 |
9 | 508883035 |
10 | 220012232 |
11 | 1032114a0 |
12 | 61821a88 |
13 | 3677316b |
14 | 21311556 |
15 | 144adc22 |
hex | d1d1ec8 |
220012232 has 96 divisors (see below), whose sum is σ = 492035040. Its totient is φ = 91392000.
The previous prime is 220012207. The next prime is 220012297. The reversal of 220012232 is 232210022.
220012232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1042607 + ... + 1042817.
It is an arithmetic number, because the mean of its divisors is an integer number (5125365).
Almost surely, 2220012232 is an apocalyptic number.
220012232 is a gapful number since it is divisible by the number (22) 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 220012232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246017520).
220012232 is an abundant number, since it is smaller than the sum of its proper divisors (272022808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220012232 is a wasteful number, since it uses less digits than its factorization.
220012232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 303 (or 282 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 14.
The square root of 220012232 is about 14832.8093090958. The cubic root of 220012232 is about 603.6922616950.
Adding to 220012232 its reverse (232210022), we get a palindrome (452222254).
The spelling of 220012232 in words is "two hundred twenty million, twelve thousand, two hundred thirty-two".
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