Base | Representation |
---|---|
bin | 1011111000011101101 |
3 | 201210002122 |
4 | 1133003231 |
5 | 44424412 |
6 | 12202325 |
7 | 3211103 |
oct | 1370355 |
9 | 653078 |
10 | 389357 |
11 | 246591 |
12 | 1693a5 |
13 | 1082b7 |
14 | a1c73 |
15 | 7a572 |
hex | 5f0ed |
389357 has 2 divisors, whose sum is σ = 389358. Its totient is φ = 389356.
The previous prime is 389303. The next prime is 389369. The reversal of 389357 is 753983.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 346921 + 42436 = 589^2 + 206^2 .
It is an emirp because it is prime and its reverse (753983) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 389357 - 212 = 385261 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (389057) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194678 + 194679.
It is an arithmetic number, because the mean of its divisors is an integer number (194679).
2389357 is an apocalyptic number.
It is an amenable number.
389357 is a deficient number, since it is larger than the sum of its proper divisors (1).
389357 is an equidigital number, since it uses as much as digits as its factorization.
389357 is an evil number, because the sum of its binary digits is even.
The product of its digits is 22680, while the sum is 35.
The square root of 389357 is about 623.9847754553. The cubic root of 389357 is about 73.0212610868.
The spelling of 389357 in words is "three hundred eighty-nine thousand, three hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.117 sec. • engine limits •