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27834081 = 311843457
BaseRepresentation
bin110101000101…
…1011011100001
31221101010011220
41222023123201
524111142311
62432325253
7455404632
oct152133341
957333156
1027834081
1114791180
1293a3829
1359c7192
1439a7889
15269c206
hex1a8b6e1

27834081 has 8 divisors (see below), whose sum is σ = 40485984. Its totient is φ = 16869120.

The previous prime is 27834077. The next prime is 27834089. The reversal of 27834081 is 18043872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27834081 - 22 = 27834077 is a prime.

It is a super-2 number, since 2×278340812 = 1549472130229122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 843457 = 27834081 / (2 + 7 + 8 + 3 + 4 + 0 + 8 + 1).

It is not an unprimeable number, because it can be changed into a prime (27834089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421696 + ... + 421761.

It is an arithmetic number, because the mean of its divisors is an integer number (5060748).

Almost surely, 227834081 is an apocalyptic number.

It is an amenable number.

27834081 is a deficient number, since it is larger than the sum of its proper divisors (12651903).

27834081 is a wasteful number, since it uses less digits than its factorization.

27834081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843471.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 27834081 is about 5275.8014557032. The cubic root of 27834081 is about 303.0579135344.

The spelling of 27834081 in words is "twenty-seven million, eight hundred thirty-four thousand, eighty-one".

Divisors: 1 3 11 33 843457 2530371 9278027 27834081