Base | Representation |
---|---|
bin | 11000101110110… |
… | …11111011011001 |
3 | 112110101120202002 |
4 | 30113123323121 |
5 | 411103022142 |
6 | 32330450345 |
7 | 5066316446 |
oct | 1427337331 |
9 | 473346662 |
10 | 207470297 |
11 | a7125561 |
12 | 595939b5 |
13 | 33ca15b8 |
14 | 1d7a89cd |
15 | 13332a32 |
hex | c5dbed9 |
207470297 has 2 divisors, whose sum is σ = 207470298. Its totient is φ = 207470296.
The previous prime is 207470287. The next prime is 207470299. The reversal of 207470297 is 792074702.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 131239936 + 76230361 = 11456^2 + 8731^2 .
It is a cyclic number.
It is not a de Polignac number, because 207470297 - 28 = 207470041 is a prime.
Together with 207470299, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 207470297.
It is not a weakly prime, because it can be changed into another prime (207470299) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103735148 + 103735149.
It is an arithmetic number, because the mean of its divisors is an integer number (103735149).
Almost surely, 2207470297 is an apocalyptic number.
It is an amenable number.
207470297 is a deficient number, since it is larger than the sum of its proper divisors (1).
207470297 is an equidigital number, since it uses as much as digits as its factorization.
207470297 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 49392, while the sum is 38.
The square root of 207470297 is about 14403.8292478077. The cubic root of 207470297 is about 591.9958236024.
The spelling of 207470297 in words is "two hundred seven million, four hundred seventy thousand, two hundred ninety-seven".
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