Base | Representation |
---|---|
bin | 110100100010… |
… | …0010010100101 |
3 | 1220211022110202 |
4 | 1221010102211 |
5 | 24022331233 |
6 | 2422200245 |
7 | 453052253 |
oct | 151042245 |
9 | 56738422 |
10 | 27542693 |
11 | 14602262 |
12 | 9283085 |
13 | 5924669 |
14 | 392d5d3 |
15 | 2640be8 |
hex | 1a444a5 |
27542693 has 8 divisors (see below), whose sum is σ = 28305816. Its totient is φ = 26784000.
The previous prime is 27542687. The next prime is 27542699. The reversal of 27542693 is 39624572.
It is an interprime number because it is at equal distance from previous prime (27542687) and next prime (27542699).
It can be written as a sum of positive squares in 4 ways, for example, as 158404 + 27384289 = 398^2 + 5233^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 27542693 - 26 = 27542629 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27542699) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14393 + ... + 16193.
It is an arithmetic number, because the mean of its divisors is an integer number (3538227).
Almost surely, 227542693 is an apocalyptic number.
It is an amenable number.
27542693 is a deficient number, since it is larger than the sum of its proper divisors (763123).
27542693 is a wasteful number, since it uses less digits than its factorization.
27542693 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2215.
The product of its digits is 90720, while the sum is 38.
The square root of 27542693 is about 5248.1132800274. The cubic root of 27542693 is about 301.9966558114.
The spelling of 27542693 in words is "twenty-seven million, five hundred forty-two thousand, six hundred ninety-three".
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