Base | Representation |
---|---|
bin | 11011100100110… |
… | …11010110010110 |
3 | 121010021102112122 |
4 | 31302123112112 |
5 | 433204314110 |
6 | 34542015542 |
7 | 5506133111 |
oct | 1562332626 |
9 | 533242478 |
10 | 231323030 |
11 | 109637464 |
12 | 655775b2 |
13 | 38c03543 |
14 | 22a17578 |
15 | 15495255 |
hex | dc9b596 |
231323030 has 8 divisors (see below), whose sum is σ = 416381472. Its totient is φ = 92529208.
The previous prime is 231323021. The next prime is 231323069. The reversal of 231323030 is 30323132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11566142 + ... + 11566161.
It is an arithmetic number, because the mean of its divisors is an integer number (52047684).
Almost surely, 2231323030 is an apocalyptic number.
231323030 is a deficient number, since it is larger than the sum of its proper divisors (185058442).
231323030 is a wasteful number, since it uses less digits than its factorization.
231323030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23132310.
The product of its (nonzero) digits is 324, while the sum is 17.
The square root of 231323030 is about 15209.3073478052. The cubic root of 231323030 is about 613.8651201354.
Adding to 231323030 its reverse (30323132), we get a palindrome (261646162).
It can be divided in two parts, 23132 and 3030, that added together give a palindrome (26162).
The spelling of 231323030 in words is "two hundred thirty-one million, three hundred twenty-three thousand, thirty".
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