Base | Representation |
---|---|
bin | 10000000011101… |
… | …000011010001001 |
3 | 200202220022001011 |
4 | 100003220122021 |
5 | 1022430344101 |
6 | 42421523521 |
7 | 6450520003 |
oct | 2003503211 |
9 | 622808034 |
10 | 269387401 |
11 | 129075818 |
12 | 762735a1 |
13 | 43a7003a |
14 | 27ac5373 |
15 | 189b3751 |
hex | 100e8689 |
269387401 has 2 divisors, whose sum is σ = 269387402. Its totient is φ = 269387400.
The previous prime is 269387399. The next prime is 269387413. The reversal of 269387401 is 104783962.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 186595600 + 82791801 = 13660^2 + 9099^2 .
It is a cyclic number.
It is not a de Polignac number, because 269387401 - 21 = 269387399 is a prime.
Together with 269387399, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (269387471) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134693700 + 134693701.
It is an arithmetic number, because the mean of its divisors is an integer number (134693701).
Almost surely, 2269387401 is an apocalyptic number.
It is an amenable number.
269387401 is a deficient number, since it is larger than the sum of its proper divisors (1).
269387401 is an equidigital number, since it uses as much as digits as its factorization.
269387401 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 72576, while the sum is 40.
The square root of 269387401 is about 16413.0253457429. The cubic root of 269387401 is about 645.8412203583.
The spelling of 269387401 in words is "two hundred sixty-nine million, three hundred eighty-seven thousand, four hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •