Base | Representation |
---|---|
bin | 10010100110101… |
… | …100001011100011 |
3 | 210202022222001102 |
4 | 102212230023203 |
5 | 1114401213243 |
6 | 50550025015 |
7 | 10510036526 |
oct | 2246541343 |
9 | 722288042 |
10 | 312132323 |
11 | 1502106a8 |
12 | 8864816b |
13 | 4c8880a9 |
14 | 2d650bbd |
15 | 1c6089b8 |
hex | 129ac2e3 |
312132323 has 8 divisors (see below), whose sum is σ = 331949520. Its totient is φ = 292654080.
The previous prime is 312132299. The next prime is 312132341. The reversal of 312132323 is 323231213.
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 312132323 - 212 = 312128227 is a prime.
It is a super-2 number, since 2×3121323232 = 194853174122752658, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 312132295 and 312132304.
It is not an unprimeable number, because it can be changed into a prime (312132343) 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, 82838 + ... + 86523.
It is an arithmetic number, because the mean of its divisors is an integer number (41493690).
Almost surely, 2312132323 is an apocalyptic number.
312132323 is a deficient number, since it is larger than the sum of its proper divisors (19817197).
312132323 is a wasteful number, since it uses less digits than its factorization.
312132323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 169477.
The product of its digits is 648, while the sum is 20.
The square root of 312132323 is about 17667.2669929449. The cubic root of 312132323 is about 678.3381586560.
Adding to 312132323 its reverse (323231213), we get a palindrome (635363536).
The spelling of 312132323 in words is "three hundred twelve million, one hundred thirty-two thousand, three hundred twenty-three".
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