Base | Representation |
---|---|
bin | 101100001001… |
… | …0101011101000 |
3 | 1121112220020100 |
4 | 1120102223220 |
5 | 21411121232 |
6 | 2144025400 |
7 | 400505460 |
oct | 130225350 |
9 | 47486210 |
10 | 23145192 |
11 | 12079364 |
12 | 7902260 |
13 | 4a44ba5 |
14 | 3106ba0 |
15 | 2072c7c |
hex | 1612ae8 |
23145192 has 96 divisors (see below), whose sum is σ = 75441600. Its totient is φ = 6262272.
The previous prime is 23145179. The next prime is 23145203. The reversal of 23145192 is 29154132.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8368 + ... + 10784.
It is an arithmetic number, because the mean of its divisors is an integer number (785850).
Almost surely, 223145192 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23145192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37720800).
23145192 is an abundant number, since it is smaller than the sum of its proper divisors (52296408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23145192 is a wasteful number, since it uses less digits than its factorization.
23145192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2455 (or 2448 counting only the distinct ones).
The product of its digits is 2160, while the sum is 27.
The square root of 23145192 is about 4810.9450215108. The cubic root of 23145192 is about 284.9838587350.
The spelling of 23145192 in words is "twenty-three million, one hundred forty-five thousand, one hundred ninety-two".
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