Base | Representation |
---|---|
bin | 11011101010110… |
… | …01010101101111 |
3 | 121011201222000220 |
4 | 31311121111233 |
5 | 433404214411 |
6 | 35010422423 |
7 | 5515553655 |
oct | 1565312557 |
9 | 534658026 |
10 | 232101231 |
11 | 10a0190aa |
12 | 65891a13 |
13 | 3911680b |
14 | 22b7add5 |
15 | 1559ab06 |
hex | dd5956f |
232101231 has 8 divisors (see below), whose sum is σ = 312945840. Its totient is φ = 152995392.
The previous prime is 232101217. The next prime is 232101271. The reversal of 232101231 is 132101232.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 232101231 - 26 = 232101167 is a prime.
It is a super-2 number, since 2×2321012312 = 107741962863430722, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 232101231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (232101271) 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, 434380 + ... + 434913.
It is an arithmetic number, because the mean of its divisors is an integer number (39118230).
Almost surely, 2232101231 is an apocalyptic number.
232101231 is a deficient number, since it is larger than the sum of its proper divisors (80844609).
232101231 is an equidigital number, since it uses as much as digits as its factorization.
232101231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 869385.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 232101231 is about 15234.8689196855. The cubic root of 232101231 is about 614.5527238957.
Adding to 232101231 its reverse (132101232), we get a palindrome (364202463).
Subtracting from 232101231 its reverse (132101232), we obtain a palindrome (99999999).
The spelling of 232101231 in words is "two hundred thirty-two million, one hundred one thousand, two hundred thirty-one".
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