Base | Representation |
---|---|
bin | 11010101010101… |
… | …10100110010101 |
3 | 120120221012121221 |
4 | 31111112212111 |
5 | 424231421042 |
6 | 34110410341 |
7 | 5354300443 |
oct | 1525264625 |
9 | 516835557 |
10 | 223701397 |
11 | 105301197 |
12 | 62b009b1 |
13 | 374653ba |
14 | 219d1b93 |
15 | 1498bd67 |
hex | d556995 |
223701397 has 2 divisors, whose sum is σ = 223701398. Its totient is φ = 223701396.
The previous prime is 223701353. The next prime is 223701407. The reversal of 223701397 is 793107322.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 187388721 + 36312676 = 13689^2 + 6026^2 .
It is a cyclic number.
It is not a de Polignac number, because 223701397 - 219 = 223177109 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (223701347) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111850698 + 111850699.
It is an arithmetic number, because the mean of its divisors is an integer number (111850699).
Almost surely, 2223701397 is an apocalyptic number.
It is an amenable number.
223701397 is a deficient number, since it is larger than the sum of its proper divisors (1).
223701397 is an equidigital number, since it uses as much as digits as its factorization.
223701397 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 15876, while the sum is 34.
The square root of 223701397 is about 14956.6505943009. The cubic root of 223701397 is about 607.0478128922.
The spelling of 223701397 in words is "two hundred twenty-three million, seven hundred one thousand, three hundred ninety-seven".
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