Base | Representation |
---|---|
bin | 110101001010… |
… | …0101101110000 |
3 | 1221110001100110 |
4 | 1222110231300 |
5 | 24113401422 |
6 | 2433221320 |
7 | 455623542 |
oct | 152245560 |
9 | 57401313 |
10 | 27872112 |
11 | 14807804 |
12 | 9401840 |
13 | 5a0b598 |
14 | 39b7692 |
15 | 26a860c |
hex | 1a94b70 |
27872112 has 40 divisors (see below), whose sum is σ = 76240656. Its totient is φ = 8743936.
The previous prime is 27872099. The next prime is 27872149. The reversal of 27872112 is 21127872.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 27872112.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16263 + ... + 17894.
Almost surely, 227872112 is an apocalyptic number.
It is an amenable number.
27872112 is an abundant number, since it is smaller than the sum of its proper divisors (48368544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27872112 is a wasteful number, since it uses less digits than its factorization.
27872112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34185 (or 34179 counting only the distinct ones).
The product of its digits is 3136, while the sum is 30.
The square root of 27872112 is about 5279.4045118744. The cubic root of 27872112 is about 303.1958780939.
Adding to 27872112 its reverse (21127872), we get a palindrome (48999984).
It can be divided in two parts, 278 and 72112, that added together give a triangular number (72390 = T380).
The spelling of 27872112 in words is "twenty-seven million, eight hundred seventy-two thousand, one hundred twelve".
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