Base | Representation |
---|---|
bin | 10111001101010… |
… | …000010111110101 |
3 | 1000010122002000202 |
4 | 113031100113311 |
5 | 1244133212101 |
6 | 102345050245 |
7 | 12435266552 |
oct | 2715202765 |
9 | 1003562022 |
10 | 389350901 |
11 | 18a862105 |
12 | aa486985 |
13 | 62883464 |
14 | 399d1a29 |
15 | 242ad36b |
hex | 173505f5 |
389350901 has 2 divisors, whose sum is σ = 389350902. Its totient is φ = 389350900.
The previous prime is 389350891. The next prime is 389350921. The reversal of 389350901 is 109053983.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 345922801 + 43428100 = 18599^2 + 6590^2 .
It is an emirp because it is prime and its reverse (109053983) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-389350901 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 (389350921) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194675450 + 194675451.
It is an arithmetic number, because the mean of its divisors is an integer number (194675451).
Almost surely, 2389350901 is an apocalyptic number.
It is an amenable number.
389350901 is a deficient number, since it is larger than the sum of its proper divisors (1).
389350901 is an equidigital number, since it uses as much as digits as its factorization.
389350901 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 29160, while the sum is 38.
The square root of 389350901 is about 19731.9766115815. The cubic root of 389350901 is about 730.2087980949.
The spelling of 389350901 in words is "three hundred eighty-nine million, three hundred fifty thousand, nine hundred one".
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