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27986134 = 2113734381
BaseRepresentation
bin110101011000…
…0100011010110
31221122211202111
41222300203112
524131024014
62435501234
7456610141
oct152604326
957584674
1027986134
1114885440
12945781a
135a4b457
143a07058
1526cc2c4
hex1ab08d6

27986134 has 16 divisors (see below), whose sum is σ = 47034576. Its totient is φ = 12376800.

The previous prime is 27986117. The next prime is 27986137. The reversal of 27986134 is 43168972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27986137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16377 + ... + 18004.

It is an arithmetic number, because the mean of its divisors is an integer number (2939661).

Almost surely, 227986134 is an apocalyptic number.

27986134 is a deficient number, since it is larger than the sum of its proper divisors (19048442).

27986134 is a wasteful number, since it uses less digits than its factorization.

27986134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34431.

The product of its digits is 72576, while the sum is 40.

The square root of 27986134 is about 5290.1922460342. The cubic root of 27986134 is about 303.6087635031.

The spelling of 27986134 in words is "twenty-seven million, nine hundred eighty-six thousand, one hundred thirty-four".

Divisors: 1 2 11 22 37 74 407 814 34381 68762 378191 756382 1272097 2544194 13993067 27986134