Base | Representation |
---|---|
bin | 101100001111… |
… | …0011001000111 |
3 | 1121122100000220 |
4 | 1120132121013 |
5 | 21414140114 |
6 | 2145035423 |
7 | 401065353 |
oct | 130363107 |
9 | 47570026 |
10 | 23193159 |
11 | 12101400 |
12 | 7925b73 |
13 | 4a60982 |
14 | 311a463 |
15 | 20820a9 |
hex | 161e647 |
23193159 has 24 divisors (see below), whose sum is σ = 34275696. Its totient is φ = 13939200.
The previous prime is 23193109. The next prime is 23193169. The reversal of 23193159 is 95139132.
It is not a de Polignac number, because 23193159 - 216 = 23127623 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23193109) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65527 + ... + 65879.
It is an arithmetic number, because the mean of its divisors is an integer number (1428154).
Almost surely, 223193159 is an apocalyptic number.
23193159 is a deficient number, since it is larger than the sum of its proper divisors (11082537).
23193159 is a wasteful number, since it uses less digits than its factorization.
23193159 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 559 (or 548 counting only the distinct ones).
The product of its digits is 7290, while the sum is 33.
The square root of 23193159 is about 4815.9276364995. The cubic root of 23193159 is about 285.1805934509.
The spelling of 23193159 in words is "twenty-three million, one hundred ninety-three thousand, one hundred fifty-nine".
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