Base | Representation |
---|---|
bin | 10111001110101… |
… | …111010111111110 |
3 | 1000011100211210221 |
4 | 113032233113332 |
5 | 1244233140110 |
6 | 102401251554 |
7 | 12441510211 |
oct | 2716572776 |
9 | 1004324727 |
10 | 389740030 |
11 | 18aaa84a9 |
12 | aa633bba |
13 | 6298b604 |
14 | 39a93778 |
15 | 243387da |
hex | 173af5fe |
389740030 has 8 divisors (see below), whose sum is σ = 701532072. Its totient is φ = 155896008.
The previous prime is 389740007. The next prime is 389740033. The reversal of 389740030 is 30047983.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389740033) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19486992 + ... + 19487011.
It is an arithmetic number, because the mean of its divisors is an integer number (87691509).
Almost surely, 2389740030 is an apocalyptic number.
389740030 is a deficient number, since it is larger than the sum of its proper divisors (311792042).
389740030 is a wasteful number, since it uses less digits than its factorization.
389740030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38974010.
The product of its (nonzero) digits is 18144, while the sum is 34.
The square root of 389740030 is about 19741.8345145531. The cubic root of 389740030 is about 730.4519813091.
The spelling of 389740030 in words is "three hundred eighty-nine million, seven hundred forty thousand, thirty".
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