Base | Representation |
---|---|
bin | 110011111101… |
… | …0000110011100 |
3 | 1220020212121220 |
4 | 1213322012130 |
5 | 23433120222 |
6 | 2411453340 |
7 | 450345306 |
oct | 147720634 |
9 | 56225556 |
10 | 27238812 |
11 | 14414a17 |
12 | 9157250 |
13 | 5849253 |
14 | 3890976 |
15 | 25d0b5c |
hex | 19fa19c |
27238812 has 12 divisors (see below), whose sum is σ = 63557256. Its totient is φ = 9079600.
The previous prime is 27238807. The next prime is 27238817. The reversal of 27238812 is 21883272.
It is an interprime number because it is at equal distance from previous prime (27238807) and next prime (27238817).
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27238817) 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, 1134939 + ... + 1134962.
It is an arithmetic number, because the mean of its divisors is an integer number (5296438).
Almost surely, 227238812 is an apocalyptic number.
It is an amenable number.
27238812 is an abundant number, since it is smaller than the sum of its proper divisors (36318444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27238812 is a wasteful number, since it uses less digits than its factorization.
27238812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2269908 (or 2269906 counting only the distinct ones).
The product of its digits is 10752, while the sum is 33.
The square root of 27238812 is about 5219.0815283918. The cubic root of 27238812 is about 300.8818938925.
The spelling of 27238812 in words is "twenty-seven million, two hundred thirty-eight thousand, eight hundred twelve".
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