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27018041 = 49335477
BaseRepresentation
bin110011100010…
…0001100111001
31212211122210012
41213010030321
523404034131
62403031305
7445435541
oct147041471
955748705
1027018041
1114284066
12906b535
13579c90b
143834321
15258a52b
hex19c4339

27018041 has 4 divisors (see below), whose sum is σ = 27028452. Its totient is φ = 27007632.

The previous prime is 27018023. The next prime is 27018067. The reversal of 27018041 is 14081072.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 20748025 + 6270016 = 4555^2 + 2504^2 .

It is a cyclic number.

It is not a de Polignac number, because 27018041 - 210 = 27017017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27017998 and 27018016.

It is not an unprimeable number, because it can be changed into a prime (27018071) 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, 2195 + ... + 7671.

It is an arithmetic number, because the mean of its divisors is an integer number (6757113).

Almost surely, 227018041 is an apocalyptic number.

It is an amenable number.

27018041 is a deficient number, since it is larger than the sum of its proper divisors (10411).

27018041 is an equidigital number, since it uses as much as digits as its factorization.

27018041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10410.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 27018041 is about 5197.8881288462. Note that the first 3 decimals coincide. The cubic root of 27018041 is about 300.0668036417.

The spelling of 27018041 in words is "twenty-seven million, eighteen thousand, forty-one".

Divisors: 1 4933 5477 27018041