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27995928 = 2331166497
BaseRepresentation
bin110101011001…
…0111100011000
31221200100012020
41222302330120
524131332203
62440014440
7456650532
oct152627430
957610166
1027995928
1114891834
129461420
135a52a4c
143a0a852
1526d0153
hex1ab2f18

27995928 has 16 divisors (see below), whose sum is σ = 69989880. Its totient is φ = 9331968.

The previous prime is 27995927. The next prime is 27995959. The reversal of 27995928 is 82959972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27995921) 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 3 ways as a sum of consecutive naturals, for example, 583225 + ... + 583272.

Almost surely, 227995928 is an apocalyptic number.

It is an amenable number.

27995928 is an abundant number, since it is smaller than the sum of its proper divisors (41993952).

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

27995928 is a wasteful number, since it uses less digits than its factorization.

27995928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166506 (or 1166502 counting only the distinct ones).

The product of its digits is 816480, while the sum is 51.

The square root of 27995928 is about 5291.1178403056. The cubic root of 27995928 is about 303.6441762474.

The spelling of 27995928 in words is "twenty-seven million, nine hundred ninety-five thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 1166497 2332994 3499491 4665988 6998982 9331976 13997964 27995928