Base | Representation |
---|---|
bin | 100010110101… |
… | …1010000110110 |
3 | 1021100222001202 |
4 | 1011223100312 |
5 | 14133441032 |
6 | 1451252502 |
7 | 311152100 |
oct | 105532066 |
9 | 37328052 |
10 | 18265142 |
11 | a345965 |
12 | 614a132 |
13 | 3a2689c |
14 | 25d6570 |
15 | 190bd62 |
hex | 116b436 |
18265142 has 12 divisors (see below), whose sum is σ = 31870980. Its totient is φ = 7827876.
The previous prime is 18265141. The next prime is 18265183. The reversal of 18265142 is 24156281.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18265141) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 93092 + ... + 93287.
It is an arithmetic number, because the mean of its divisors is an integer number (2655915).
Almost surely, 218265142 is an apocalyptic number.
18265142 is a deficient number, since it is larger than the sum of its proper divisors (13605838).
18265142 is a wasteful number, since it uses less digits than its factorization.
18265142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 186395 (or 186388 counting only the distinct ones).
The product of its digits is 3840, while the sum is 29.
The square root of 18265142 is about 4273.7737422564. The cubic root of 18265142 is about 263.3546661491.
The spelling of 18265142 in words is "eighteen million, two hundred sixty-five thousand, one hundred forty-two".
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