Base | Representation |
---|---|
bin | 10010110101100… |
… | …11110110011111 |
3 | 102000100101220100 |
4 | 21122303312133 |
5 | 310423214241 |
6 | 23402552143 |
7 | 3626113443 |
oct | 1132636637 |
9 | 360311810 |
10 | 158023071 |
11 | 81222088 |
12 | 44b08653 |
13 | 2697a99b |
14 | 16db6823 |
15 | dd169b6 |
hex | 96b3d9f |
158023071 has 24 divisors (see below), whose sum is σ = 233947584. Its totient is φ = 102738240.
The previous prime is 158023043. The next prime is 158023079. The reversal of 158023071 is 170320851.
It is not a de Polignac number, because 158023071 - 29 = 158022559 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (158023079) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167461 + ... + 168401.
It is an arithmetic number, because the mean of its divisors is an integer number (9747816).
Almost surely, 2158023071 is an apocalyptic number.
158023071 is a deficient number, since it is larger than the sum of its proper divisors (75924513).
158023071 is a wasteful number, since it uses less digits than its factorization.
158023071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1391 (or 1388 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 27.
The square root of 158023071 is about 12570.7227715832. The cubic root of 158023071 is about 540.6383295008.
The spelling of 158023071 in words is "one hundred fifty-eight million, twenty-three thousand, seventy-one".
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