Base | Representation |
---|---|
bin | 11011101010001… |
… | …10001111100101 |
3 | 121011120222201221 |
4 | 31311012033211 |
5 | 433344214023 |
6 | 35005020341 |
7 | 5515106635 |
oct | 1565061745 |
9 | 534528657 |
10 | 232023013 |
11 | 109a75362 |
12 | 658546b1 |
13 | 390ba031 |
14 | 22b5a6c5 |
15 | 1558285d |
hex | dd463e5 |
232023013 has 8 divisors (see below), whose sum is σ = 234640728. Its totient is φ = 229415424.
The previous prime is 232022993. The next prime is 232023019. The reversal of 232023013 is 310320232.
It can be written as a sum of positive squares in 4 ways, for example, as 81396484 + 150626529 = 9022^2 + 12273^2 .
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 232023013 - 29 = 232022501 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (232023019) 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, 49395 + ... + 53887.
It is an arithmetic number, because the mean of its divisors is an integer number (29330091).
Almost surely, 2232023013 is an apocalyptic number.
It is an amenable number.
232023013 is a deficient number, since it is larger than the sum of its proper divisors (2617715).
232023013 is a wasteful number, since it uses less digits than its factorization.
232023013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5063.
The product of its (nonzero) digits is 216, while the sum is 16.
The square root of 232023013 is about 15232.3016317299. The cubic root of 232023013 is about 614.4836814847.
Adding to 232023013 its reverse (310320232), we get a palindrome (542343245).
The spelling of 232023013 in words is "two hundred thirty-two million, twenty-three thousand, thirteen".
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