Base | Representation |
---|---|
bin | 10111001100001… |
… | …010100101101100 |
3 | 1000010002112221100 |
4 | 113030022211230 |
5 | 1244100040233 |
6 | 102335003100 |
7 | 12432666330 |
oct | 2714124554 |
9 | 1003075840 |
10 | 389065068 |
11 | 18a687387 |
12 | aa369490 |
13 | 627b3322 |
14 | 399597c0 |
15 | 24253813 |
hex | 1730a96c |
389065068 has 36 divisors (see below), whose sum is σ = 1123966480. Its totient is φ = 111161376.
The previous prime is 389065007. The next prime is 389065069. The reversal of 389065068 is 860560983.
It is a tau number, because it is divible by the number of its divisors (36).
It is not an unprimeable number, because it can be changed into a prime (389065069) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 771703 + ... + 772206.
Almost surely, 2389065068 is an apocalyptic number.
It is an amenable number.
389065068 is an abundant number, since it is smaller than the sum of its proper divisors (734901412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389065068 is a wasteful number, since it uses less digits than its factorization.
389065068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1543926 (or 1543921 counting only the distinct ones).
The product of its (nonzero) digits is 311040, while the sum is 45.
The square root of 389065068 is about 19724.7323936220. The cubic root of 389065068 is about 730.0300656911.
The spelling of 389065068 in words is "three hundred eighty-nine million, sixty-five thousand, sixty-eight".
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