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27052380 = 2234516699
BaseRepresentation
bin110011100110…
…0100101011100
31212220101220000
41213030211130
523411134010
62403454300
7445640625
oct147144534
955811800
1027052380
11142a7943
129087390
1357b2434
143842a4c
1525957c0
hex19cc95c

27052380 has 60 divisors (see below), whose sum is σ = 84869400. Its totient is φ = 7213536.

The previous prime is 27052379. The next prime is 27052391. The reversal of 27052380 is 8325072.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-3 number, since 3×270523803 (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 6730 + ... + 9969.

It is an arithmetic number, because the mean of its divisors is an integer number (1414490).

Almost surely, 227052380 is an apocalyptic number.

27052380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27052380 is an abundant number, since it is smaller than the sum of its proper divisors (57817020).

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

27052380 is a wasteful number, since it uses less digits than its factorization.

27052380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16720 (or 16709 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 27052380 is about 5201.1902483951. The cubic root of 27052380 is about 300.1938746817.

It can be divided in two parts, 270 and 52380, that added together give a triangular number (52650 = T324).

The spelling of 27052380 in words is "twenty-seven million, fifty-two thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 270 324 405 540 810 1620 16699 33398 50097 66796 83495 100194 150291 166990 200388 250485 300582 333980 450873 500970 601164 751455 901746 1001940 1352619 1502910 1803492 2254365 2705238 3005820 4508730 5410476 6763095 9017460 13526190 27052380