Base | Representation |
---|---|
bin | 10001101111100… |
… | …111101111010101 |
3 | 202202011112102200 |
4 | 101233213233111 |
5 | 1102202234323 |
6 | 45312355113 |
7 | 10243242663 |
oct | 2157475725 |
9 | 682145380 |
10 | 297696213 |
11 | 143050631 |
12 | 83845a99 |
13 | 498a2309 |
14 | 2b773c33 |
15 | 1b206443 |
hex | 11be7bd5 |
297696213 has 12 divisors (see below), whose sum is σ = 430273740. Its totient is φ = 198340416.
The previous prime is 297696211. The next prime is 297696221. The reversal of 297696213 is 312696792.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 152324964 + 145371249 = 12342^2 + 12057^2 .
It is not a de Polignac number, because 297696213 - 21 = 297696211 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (297696211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6343 + ... + 25211.
It is an arithmetic number, because the mean of its divisors is an integer number (35856145).
Almost surely, 2297696213 is an apocalyptic number.
It is an amenable number.
297696213 is a deficient number, since it is larger than the sum of its proper divisors (132577527).
297696213 is a wasteful number, since it uses less digits than its factorization.
297696213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20628 (or 20625 counting only the distinct ones).
The product of its digits is 244944, while the sum is 45.
The square root of 297696213 is about 17253.8753038267. The cubic root of 297696213 is about 667.7149549679.
The spelling of 297696213 in words is "two hundred ninety-seven million, six hundred ninety-six thousand, two hundred thirteen".
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