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27494842 = 229474049
BaseRepresentation
bin110100011100…
…0100110111010
31220201212211111
41220320212322
524014313332
62421150534
7452462614
oct150704672
956655744
1027494842
111457a311
12925b44a
13590894b
143919db4
152631947
hex1a389ba

27494842 has 8 divisors (see below), whose sum is σ = 42664500. Its totient is φ = 13273344.

The previous prime is 27494839. The next prime is 27494849. The reversal of 27494842 is 24849472.

It can be written as a sum of positive squares in 2 ways, for example, as 24393721 + 3101121 = 4939^2 + 1761^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 27494795 and 27494804.

It is not an unprimeable number, because it can be changed into a prime (27494849) 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 3 ways as a sum of consecutive naturals, for example, 236967 + ... + 237082.

Almost surely, 227494842 is an apocalyptic number.

27494842 is a deficient number, since it is larger than the sum of its proper divisors (15169658).

27494842 is a wasteful number, since it uses less digits than its factorization.

27494842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474080.

The product of its digits is 129024, while the sum is 40.

The square root of 27494842 is about 5243.5524217843. The cubic root of 27494842 is about 301.8216642237.

The spelling of 27494842 in words is "twenty-seven million, four hundred ninety-four thousand, eight hundred forty-two".

Divisors: 1 2 29 58 474049 948098 13747421 27494842