Base | Representation |
---|---|
bin | 10111001101000… |
… | …010000110011011 |
3 | 1000010112002211122 |
4 | 113031002012123 |
5 | 1244124324233 |
6 | 102343515455 |
7 | 12434634251 |
oct | 2715020633 |
9 | 1003462748 |
10 | 389292443 |
11 | 18a8221a1 |
12 | aa458b8b |
13 | 62862977 |
14 | 399b85d1 |
15 | 2429ad98 |
hex | 1734219b |
389292443 has 8 divisors (see below), whose sum is σ = 397633200. Its totient is φ = 381009888.
The previous prime is 389292413. The next prime is 389292479. The reversal of 389292443 is 344292983.
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 389292443 - 28 = 389292187 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 389292394 and 389292403.
It is not an unprimeable number, because it can be changed into a prime (389292403) 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, 896 + ... + 27917.
It is an arithmetic number, because the mean of its divisors is an integer number (49704150).
Almost surely, 2389292443 is an apocalyptic number.
389292443 is a deficient number, since it is larger than the sum of its proper divisors (8340757).
389292443 is a wasteful number, since it uses less digits than its factorization.
389292443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29101.
The product of its digits is 373248, while the sum is 44.
The square root of 389292443 is about 19730.4952548080. The cubic root of 389292443 is about 730.1722512144.
The spelling of 389292443 in words is "three hundred eighty-nine million, two hundred ninety-two thousand, four hundred forty-three".
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