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27052540 = 2251352627
BaseRepresentation
bin110011100110…
…0100111111100
31212220102002221
41213030213330
523411140130
62403455124
7445641244
oct147144774
955812087
1027052540
11142a7a79
1290874a4
1357b2528
143842b24
15259587a
hex19cc9fc

27052540 has 12 divisors (see below), whose sum is σ = 56810376. Its totient is φ = 10821008.

The previous prime is 27052517. The next prime is 27052549. The reversal of 27052540 is 4525072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27052549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676294 + ... + 676333.

It is an arithmetic number, because the mean of its divisors is an integer number (4734198).

Almost surely, 227052540 is an apocalyptic number.

27052540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27052540 is an abundant number, since it is smaller than the sum of its proper divisors (29757836).

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

27052540 is a wasteful number, since it uses less digits than its factorization.

27052540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352636 (or 1352634 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 27052540 is about 5201.2056294671. The cubic root of 27052540 is about 300.1944665079.

The spelling of 27052540 in words is "twenty-seven million, fifty-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 1352627 2705254 5410508 6763135 13526270 27052540