Base | Representation |
---|---|
bin | 10111001101101… |
… | …111101111001011 |
3 | 1000010212121020220 |
4 | 113031233233023 |
5 | 1244201314441 |
6 | 102351521123 |
7 | 12436343241 |
oct | 2715575713 |
9 | 1003777226 |
10 | 389479371 |
11 | 18a93a686 |
12 | aa5291a3 |
13 | 628c9a88 |
14 | 39a26791 |
15 | 242d6466 |
hex | 1736fbcb |
389479371 has 8 divisors (see below), whose sum is σ = 519406800. Its totient is φ = 259602432.
The previous prime is 389479361. The next prime is 389479379. The reversal of 389479371 is 173974983.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 389479371 - 25 = 389479339 is a prime.
It is not an unprimeable number, because it can be changed into a prime (389479379) 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, 12555 + ... + 30603.
It is an arithmetic number, because the mean of its divisors is an integer number (64925850).
Almost surely, 2389479371 is an apocalyptic number.
389479371 is a deficient number, since it is larger than the sum of its proper divisors (129927429).
389479371 is a wasteful number, since it uses less digits than its factorization.
389479371 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25245.
The product of its digits is 1143072, while the sum is 51.
The square root of 389479371 is about 19735.2317189335. The cubic root of 389479371 is about 730.2891023552.
The spelling of 389479371 in words is "three hundred eighty-nine million, four hundred seventy-nine thousand, three hundred seventy-one".
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