Base | Representation |
---|---|
bin | 10111001101101… |
… | …000110110100001 |
3 | 1000010211011120101 |
4 | 113031220312201 |
5 | 1244144414134 |
6 | 102351142401 |
7 | 12436165102 |
oct | 2715506641 |
9 | 1003734511 |
10 | 389451169 |
11 | 18a920478 |
12 | aa514a01 |
13 | 628b9ca3 |
14 | 39a1a3a9 |
15 | 242cce14 |
hex | 17368da1 |
389451169 has 8 divisors (see below), whose sum is σ = 399893760. Its totient is φ = 379053600.
The previous prime is 389451163. The next prime is 389451191. The reversal of 389451169 is 961154983.
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 389451169 - 211 = 389449121 is a prime.
It is a super-2 number, since 2×3894511692 = 303344426070933122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (389451163) 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, 6652 + ... + 28690.
It is an arithmetic number, because the mean of its divisors is an integer number (49986720).
Almost surely, 2389451169 is an apocalyptic number.
It is an amenable number.
389451169 is a deficient number, since it is larger than the sum of its proper divisors (10442591).
389451169 is a wasteful number, since it uses less digits than its factorization.
389451169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22511.
The product of its digits is 233280, while the sum is 46.
The square root of 389451169 is about 19734.5171970332. The cubic root of 389451169 is about 730.2714753109.
The spelling of 389451169 in words is "three hundred eighty-nine million, four hundred fifty-one thousand, one hundred sixty-nine".
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