Base | Representation |
---|---|
bin | 11011100101100… |
… | …10110110110001 |
3 | 121010110022121200 |
4 | 31302302312301 |
5 | 433220404223 |
6 | 34544041413 |
7 | 5510013606 |
oct | 1562626661 |
9 | 533408550 |
10 | 231419313 |
11 | 1096a2834 |
12 | 65603269 |
13 | 38c38308 |
14 | 22a406ad |
15 | 154b3a43 |
hex | dcb2db1 |
231419313 has 12 divisors (see below), whose sum is σ = 338029380. Its totient is φ = 152545536.
The previous prime is 231419303. The next prime is 231419341. The reversal of 231419313 is 313914132.
231419313 is a `hidden beast` number, since 231 + 419 + 3 + 13 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 39652209 + 191767104 = 6297^2 + 13848^2 .
It is not a de Polignac number, because 231419313 - 25 = 231419281 is a prime.
It is not an unprimeable number, because it can be changed into a prime (231419303) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143656 + ... + 145257.
It is an arithmetic number, because the mean of its divisors is an integer number (28169115).
Almost surely, 2231419313 is an apocalyptic number.
It is an amenable number.
231419313 is a deficient number, since it is larger than the sum of its proper divisors (106610067).
231419313 is a wasteful number, since it uses less digits than its factorization.
231419313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 289008 (or 289005 counting only the distinct ones).
The product of its digits is 1944, while the sum is 27.
The square root of 231419313 is about 15212.4722842804. The cubic root of 231419313 is about 613.9502774973.
The spelling of 231419313 in words is "two hundred thirty-one million, four hundred nineteen thousand, three hundred thirteen".
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