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27313727 = 72557423
BaseRepresentation
bin110100000110…
…0011000111111
31220101200101112
41220030120333
523443014402
62413232235
7451106600
oct150143077
956350345
1027313727
1114466231
12919267b
13587438c
1438adda7
1525e7e52
hex1a0c63f

27313727 has 6 divisors (see below), whose sum is σ = 31773168. Its totient is φ = 23411724.

The previous prime is 27313717. The next prime is 27313751. The reversal of 27313727 is 72731372.

27313727 is nontrivially palindromic in base 15.

It is not a de Polignac number, because 27313727 - 24 = 27313711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27313693 and 27313702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27313717) 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 5 ways as a sum of consecutive naturals, for example, 278663 + ... + 278760.

It is an arithmetic number, because the mean of its divisors is an integer number (5295528).

Almost surely, 227313727 is an apocalyptic number.

27313727 is a deficient number, since it is larger than the sum of its proper divisors (4459441).

27313727 is an equidigital number, since it uses as much as digits as its factorization.

27313727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557437 (or 557430 counting only the distinct ones).

The product of its digits is 12348, while the sum is 32.

The square root of 27313727 is about 5226.2536295132. The cubic root of 27313727 is about 301.1574802400.

The spelling of 27313727 in words is "twenty-seven million, three hundred thirteen thousand, seven hundred twenty-seven".

Divisors: 1 7 49 557423 3901961 27313727