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27682245 = 325615161
BaseRepresentation
bin110100110011…
…0010111000101
31221002101220100
41221212113011
524041312440
62425154313
7454203153
oct151462705
957071810
1027682245
1114698098
12932b999
135973036
1439683d3
15266c230
hex1a665c5

27682245 has 12 divisors (see below), whose sum is σ = 47982636. Its totient is φ = 14763840.

The previous prime is 27682231. The next prime is 27682247. The reversal of 27682245 is 54228672.

It can be written as a sum of positive squares in 2 ways, for example, as 3090564 + 24591681 = 1758^2 + 4959^2 .

It is not a de Polignac number, because 27682245 - 24 = 27682229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27682247) 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 11 ways as a sum of consecutive naturals, for example, 307536 + ... + 307625.

It is an arithmetic number, because the mean of its divisors is an integer number (3998553).

Almost surely, 227682245 is an apocalyptic number.

It is an amenable number.

27682245 is a deficient number, since it is larger than the sum of its proper divisors (20300391).

27682245 is a wasteful number, since it uses less digits than its factorization.

27682245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615172 (or 615169 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 27682245 is about 5261.3919260971. The cubic root of 27682245 is about 302.5058442056.

The spelling of 27682245 in words is "twenty-seven million, six hundred eighty-two thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 45 615161 1845483 3075805 5536449 9227415 27682245