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27382947 = 3181211239
BaseRepresentation
bin110100001110…
…1010010100011
31220112012100020
41220131102203
524002223242
62414524523
7451515444
oct150352243
956465306
1027382947
1114503239
129206743
135899a37
1438cb2cb
15260d6ec
hex1a1d4a3

27382947 has 16 divisors (see below), whose sum is σ = 37040640. Its totient is φ = 17992800.

The previous prime is 27382921. The next prime is 27382969. The reversal of 27382947 is 74928372.

It is not a de Polignac number, because 27382947 - 210 = 27381923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27382899 and 27382908.

It is not an unprimeable number, because it can be changed into a prime (27382987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114454 + ... + 114692.

It is an arithmetic number, because the mean of its divisors is an integer number (2315040).

Almost surely, 227382947 is an apocalyptic number.

27382947 is a deficient number, since it is larger than the sum of its proper divisors (9657693).

27382947 is a wasteful number, since it uses less digits than its factorization.

27382947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634.

The product of its digits is 169344, while the sum is 42.

The square root of 27382947 is about 5232.8717737013. The cubic root of 27382947 is about 301.4116691041.

The spelling of 27382947 in words is "twenty-seven million, three hundred eighty-two thousand, nine hundred forty-seven".

Divisors: 1 3 181 211 239 543 633 717 38191 43259 50429 114573 129777 151287 9127649 27382947