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27992088 = 2333129593
BaseRepresentation
bin110101011001…
…0000000011000
31221200010221000
41222302000120
524131221323
62435545000
7456633405
oct152620030
957603830
1027992088
1114889963
12945b160
135a51087
143a092ac
1526cde43
hex1ab2018

27992088 has 32 divisors (see below), whose sum is σ = 77756400. Its totient is φ = 9330624.

The previous prime is 27992087. The next prime is 27992093. The reversal of 27992088 is 88029972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27992087) 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, 64581 + ... + 65012.

Almost surely, 227992088 is an apocalyptic number.

It is an amenable number.

27992088 is an abundant number, since it is smaller than the sum of its proper divisors (49764312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27992088 is a wasteful number, since it uses less digits than its factorization.

27992088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129608 (or 129598 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 27992088 is about 5290.7549555805. The cubic root of 27992088 is about 303.6302927170.

The spelling of 27992088 in words is "twenty-seven million, nine hundred ninety-two thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 129593 259186 388779 518372 777558 1036744 1166337 1555116 2332674 3110232 3499011 4665348 6998022 9330696 13996044 27992088