Base | Representation |
---|---|
bin | 11011101011110… |
… | …00010011110001 |
3 | 121011222102001001 |
4 | 31311320103301 |
5 | 433422244311 |
6 | 35013242001 |
7 | 5516622541 |
oct | 1565702361 |
9 | 534872031 |
10 | 232228081 |
11 | 10a0a5438 |
12 | 65933301 |
13 | 3915c487 |
14 | 22bb1321 |
15 | 155c34c1 |
hex | dd784f1 |
232228081 has 8 divisors (see below), whose sum is σ = 237813120. Its totient is φ = 226669968.
The previous prime is 232228069. The next prime is 232228091. The reversal of 232228081 is 180822232.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 232228081 - 219 = 231703793 is a prime.
It is a super-2 number, since 2×2322280812 = 107859763209885122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (232228091) 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, 11295 + ... + 24331.
It is an arithmetic number, because the mean of its divisors is an integer number (29726640).
Almost surely, 2232228081 is an apocalyptic number.
It is an amenable number.
232228081 is a deficient number, since it is larger than the sum of its proper divisors (5585039).
232228081 is a wasteful number, since it uses less digits than its factorization.
232228081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13463.
The product of its (nonzero) digits is 3072, while the sum is 28.
The square root of 232228081 is about 15239.0314980972. The cubic root of 232228081 is about 614.6646604205.
It can be divided in two parts, 2322 and 28081, that added together give a palindrome (30403).
The spelling of 232228081 in words is "two hundred thirty-two million, two hundred twenty-eight thousand, eighty-one".
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