Base | Representation |
---|---|
bin | 10010111111111… |
… | …11001110100111 |
3 | 102002220100210110 |
4 | 21133333032213 |
5 | 311300133031 |
6 | 23452024103 |
7 | 3643465602 |
oct | 1137771647 |
9 | 362810713 |
10 | 159380391 |
11 | 81a69935 |
12 | 45462033 |
13 | 27034731 |
14 | 1724b339 |
15 | ded3c46 |
hex | 97ff3a7 |
159380391 has 8 divisors (see below), whose sum is σ = 212583424. Its totient is φ = 106215480.
The previous prime is 159380387. The next prime is 159380401. The reversal of 159380391 is 193083951.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 159380391 - 22 = 159380387 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (159380311) 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, 2340 + ... + 18006.
It is an arithmetic number, because the mean of its divisors is an integer number (26572928).
Almost surely, 2159380391 is an apocalyptic number.
159380391 is a deficient number, since it is larger than the sum of its proper divisors (53203033).
159380391 is a wasteful number, since it uses less digits than its factorization.
159380391 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19061.
The product of its (nonzero) digits is 29160, while the sum is 39.
The square root of 159380391 is about 12624.5946865632. The cubic root of 159380391 is about 542.1818344343.
The spelling of 159380391 in words is "one hundred fifty-nine million, three hundred eighty thousand, three hundred ninety-one".
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