Base | Representation |
---|---|
bin | 110011101111… |
… | …1110101001000 |
3 | 1220001102000120 |
4 | 1213133311020 |
5 | 23421144313 |
6 | 2405303240 |
7 | 446416506 |
oct | 147376510 |
9 | 56042016 |
10 | 27131208 |
11 | 14351095 |
12 | 9104b20 |
13 | 580c290 |
14 | 3863676 |
15 | 25add23 |
hex | 19dfd48 |
27131208 has 32 divisors (see below), whose sum is σ = 73046400. Its totient is φ = 8347968.
The previous prime is 27131197. The next prime is 27131213. The reversal of 27131208 is 80213172.
It is a super-2 number, since 2×271312082 = 1472204895078528, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
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, 43168 + ... + 43791.
It is an arithmetic number, because the mean of its divisors is an integer number (2282700).
Almost surely, 227131208 is an apocalyptic number.
It is an amenable number.
27131208 is an abundant number, since it is smaller than the sum of its proper divisors (45915192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27131208 is a wasteful number, since it uses less digits than its factorization.
27131208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86981 (or 86977 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 24.
The square root of 27131208 is about 5208.7626169754. The cubic root of 27131208 is about 300.4851704979.
The spelling of 27131208 in words is "twenty-seven million, one hundred thirty-one thousand, two hundred eight".
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