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27284061 = 373141911
BaseRepresentation
bin110100000010…
…1001001011101
31220100011200210
41220011021131
523441042221
62412443033
7450624240
oct150051135
956304623
1027284061
1114445a12
129179479
135863a1c
1438a3257
1525de276
hex1a0525d

27284061 has 16 divisors (see below), whose sum is σ = 42917888. Its totient is φ = 15087600.

The previous prime is 27284053. The next prime is 27284069. The reversal of 27284061 is 16048272.

27284061 = T899 + T900 + ... + T961.

It is an interprime number because it is at equal distance from previous prime (27284053) and next prime (27284069).

It is not a de Polignac number, because 27284061 - 23 = 27284053 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27284069) 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, 20305 + ... + 21606.

It is an arithmetic number, because the mean of its divisors is an integer number (2682368).

Almost surely, 227284061 is an apocalyptic number.

27284061 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

27284061 is a deficient number, since it is larger than the sum of its proper divisors (15633827).

27284061 is a wasteful number, since it uses less digits than its factorization.

27284061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41952.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 27284061 is about 5223.4146877306. The cubic root of 27284061 is about 301.0484096339.

The spelling of 27284061 in words is "twenty-seven million, two hundred eighty-four thousand, sixty-one".

Divisors: 1 3 7 21 31 93 217 651 41911 125733 293377 880131 1299241 3897723 9094687 27284061