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27485305 = 519289319
BaseRepresentation
bin110100011011…
…0010001111001
31220201101202021
41220312101321
524014012210
62421034441
7452423041
oct150662171
956641667
1027485305
1114573131
129255a21
1359044c3
143916721
15262dbda
hex1a36479

27485305 has 8 divisors (see below), whose sum is σ = 34718400. Its totient is φ = 20830896.

The previous prime is 27485291. The next prime is 27485309. The reversal of 27485305 is 50358472.

It is a happy number.

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 27485305 - 217 = 27354233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27485309) 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, 144565 + ... + 144754.

It is an arithmetic number, because the mean of its divisors is an integer number (4339800).

Almost surely, 227485305 is an apocalyptic number.

It is an amenable number.

27485305 is a deficient number, since it is larger than the sum of its proper divisors (7233095).

27485305 is a wasteful number, since it uses less digits than its factorization.

27485305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289343.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 27485305 is about 5242.6429403498. The cubic root of 27485305 is about 301.7867630582.

The spelling of 27485305 in words is "twenty-seven million, four hundred eighty-five thousand, three hundred five".

Divisors: 1 5 19 95 289319 1446595 5497061 27485305