Base | Representation |
---|---|
bin | 10111001101011… |
… | …000111011100110 |
3 | 1000010200212010011 |
4 | 113031120323212 |
5 | 1244140322313 |
6 | 102345520434 |
7 | 12435504013 |
oct | 2715307346 |
9 | 1003625104 |
10 | 389385958 |
11 | 18a886485 |
12 | aa4a311a |
13 | 628963c0 |
14 | 39a0070a |
15 | 242b893d |
hex | 17358ee6 |
389385958 has 32 divisors (see below), whose sum is σ = 661802400. Its totient is φ = 170558976.
The previous prime is 389385949. The next prime is 389385959. The reversal of 389385958 is 859583983.
It is a Harshad number since it is a multiple of its sum of digits (58).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389385959) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40110 + ... + 48862.
It is an arithmetic number, because the mean of its divisors is an integer number (20681325).
Almost surely, 2389385958 is an apocalyptic number.
389385958 is a deficient number, since it is larger than the sum of its proper divisors (272416442).
389385958 is a wasteful number, since it uses less digits than its factorization.
389385958 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8856.
The product of its digits is 9331200, while the sum is 58.
The square root of 389385958 is about 19732.8649212424. The cubic root of 389385958 is about 730.2307133402.
The spelling of 389385958 in words is "three hundred eighty-nine million, three hundred eighty-five thousand, nine hundred fifty-eight".
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