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27132261 = 3132572707
BaseRepresentation
bin110011110000…
…0000101100101
31220001110110120
41213200011211
523421213021
62405312153
7446422542
oct147400545
956043416
1027132261
1114351962
129105659
13580c8c0
143863bc9
1525ae2c6
hex19e0165

27132261 has 16 divisors (see below), whose sum is σ = 39125184. Its totient is φ = 16625664.

The previous prime is 27132241. The next prime is 27132299. The reversal of 27132261 is 16223172.

It is not a de Polignac number, because 27132261 - 25 = 27132229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27132241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8670 + ... + 11376.

It is an arithmetic number, because the mean of its divisors is an integer number (2445324).

Almost surely, 227132261 is an apocalyptic number.

It is an amenable number.

27132261 is a deficient number, since it is larger than the sum of its proper divisors (11992923).

27132261 is a wasteful number, since it uses less digits than its factorization.

27132261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980.

The product of its digits is 1008, while the sum is 24.

The square root of 27132261 is about 5208.8636956634. The cubic root of 27132261 is about 300.4890578637.

The spelling of 27132261 in words is "twenty-seven million, one hundred thirty-two thousand, two hundred sixty-one".

Divisors: 1 3 13 39 257 771 2707 3341 8121 10023 35191 105573 695699 2087097 9044087 27132261