Base | Representation |
---|---|
bin | 10111001111001… |
… | …110011110010101 |
3 | 1000011121022112211 |
4 | 113033032132111 |
5 | 1244301224123 |
6 | 102404113421 |
7 | 12442550455 |
oct | 2717163625 |
9 | 1004538484 |
10 | 389867413 |
11 | 190085181 |
12 | aa695871 |
13 | 62a045a0 |
14 | 39ac7d65 |
15 | 2436140d |
hex | 173ce795 |
389867413 has 8 divisors (see below), whose sum is σ = 420011928. Its totient is φ = 359745024.
The previous prime is 389867371. The next prime is 389867431. The reversal of 389867413 is 314768983.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 178543044 + 211324369 = 13362^2 + 14537^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 389867413 - 29 = 389866901 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389867473) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59181 + ... + 65437.
It is an arithmetic number, because the mean of its divisors is an integer number (52501491).
Almost surely, 2389867413 is an apocalyptic number.
It is an amenable number.
389867413 is a deficient number, since it is larger than the sum of its proper divisors (30144515).
389867413 is a wasteful number, since it uses less digits than its factorization.
389867413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11063.
The product of its digits is 870912, while the sum is 49.
The square root of 389867413 is about 19745.0604709127. The cubic root of 389867413 is about 730.5315531794.
The spelling of 389867413 in words is "three hundred eighty-nine million, eight hundred sixty-seven thousand, four hundred thirteen".
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