Base | Representation |
---|---|
bin | 101100001001… |
… | …1011001111111 |
3 | 1121120001022020 |
4 | 1120103121333 |
5 | 21411220114 |
6 | 2144051223 |
7 | 400520226 |
oct | 130233177 |
9 | 47501266 |
10 | 23148159 |
11 | 12080611 |
12 | 7903b13 |
13 | 4a46348 |
14 | 3107cbd |
15 | 2073aa9 |
hex | 161367f |
23148159 has 4 divisors (see below), whose sum is σ = 30864216. Its totient is φ = 15432104.
The previous prime is 23148131. The next prime is 23148161. The reversal of 23148159 is 95184132.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 23148159 - 25 = 23148127 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23148109) 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, 3858024 + ... + 3858029.
It is an arithmetic number, because the mean of its divisors is an integer number (7716054).
Almost surely, 223148159 is an apocalyptic number.
23148159 is a deficient number, since it is larger than the sum of its proper divisors (7716057).
23148159 is an equidigital number, since it uses as much as digits as its factorization.
23148159 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7716056.
The product of its digits is 8640, while the sum is 33.
The square root of 23148159 is about 4811.2533710043. The cubic root of 23148159 is about 284.9960356481.
It can be divided in two parts, 231481 and 59, that added together give a triangular number (231540 = T680).
The spelling of 23148159 in words is "twenty-three million, one hundred forty-eight thousand, one hundred fifty-nine".
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