Base | Representation |
---|---|
bin | 11011101010000… |
… | …00111100011111 |
3 | 121011112212222011 |
4 | 31311000330133 |
5 | 433343020221 |
6 | 35004332051 |
7 | 5514656443 |
oct | 1565007437 |
9 | 534485864 |
10 | 232001311 |
11 | 109a60023 |
12 | 65844027 |
13 | 390b01a9 |
14 | 22b52823 |
15 | 1557b1e1 |
hex | dd40f1f |
232001311 has 4 divisors (see below), whose sum is σ = 232031800. Its totient is φ = 231970824.
The previous prime is 232001309. The next prime is 232001321. The reversal of 232001311 is 113100232.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 232001311 - 21 = 232001309 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 232001291 and 232001300.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (232001321) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6700 + ... + 22558.
It is an arithmetic number, because the mean of its divisors is an integer number (58007950).
Almost surely, 2232001311 is an apocalyptic number.
232001311 is a deficient number, since it is larger than the sum of its proper divisors (30489).
232001311 is a wasteful number, since it uses less digits than its factorization.
232001311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30488.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 232001311 is about 15231.5892473504. The cubic root of 232001311 is about 614.4645225509.
Adding to 232001311 its reverse (113100232), we get a palindrome (345101543).
The spelling of 232001311 in words is "two hundred thirty-two million, one thousand, three hundred eleven".
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