Base | Representation |
---|---|
bin | 10111001100110… |
… | …000100101011101 |
3 | 1000010101110102112 |
4 | 113030300211131 |
5 | 1244120030301 |
6 | 102342203405 |
7 | 12434215142 |
oct | 2714604535 |
9 | 1003343375 |
10 | 389220701 |
11 | 18a783301 |
12 | aa423565 |
13 | 6283910c |
14 | 3999a3c9 |
15 | 242849bb |
hex | 1733095d |
389220701 has 2 divisors, whose sum is σ = 389220702. Its totient is φ = 389220700.
The previous prime is 389220659. The next prime is 389220707. The reversal of 389220701 is 107022983.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 389115076 + 105625 = 19726^2 + 325^2 .
It is an emirp because it is prime and its reverse (107022983) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 389220701 - 214 = 389204317 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 (389220707) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194610350 + 194610351.
It is an arithmetic number, because the mean of its divisors is an integer number (194610351).
Almost surely, 2389220701 is an apocalyptic number.
It is an amenable number.
389220701 is a deficient number, since it is larger than the sum of its proper divisors (1).
389220701 is an equidigital number, since it uses as much as digits as its factorization.
389220701 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6048, while the sum is 32.
The square root of 389220701 is about 19728.6771224023. The cubic root of 389220701 is about 730.1273944178.
The spelling of 389220701 in words is "three hundred eighty-nine million, two hundred twenty thousand, seven hundred one".
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