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27205130 = 252720513
BaseRepresentation
bin110011111000…
…1111000001010
31220012011102102
41213301320022
523431031010
62411033402
7450145151
oct147617012
956164372
1027205130
11143a1687
12913b862
135836b14
143882598
1525c5ba5
hex19f1e0a

27205130 has 8 divisors (see below), whose sum is σ = 48969252. Its totient is φ = 10882048.

The previous prime is 27205121. The next prime is 27205153. The reversal of 27205130 is 3150272.

It can be written as a sum of positive squares in 2 ways, for example, as 26327161 + 877969 = 5131^2 + 937^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 1360247 + ... + 1360266.

Almost surely, 227205130 is an apocalyptic number.

27205130 is a deficient number, since it is larger than the sum of its proper divisors (21764122).

27205130 is a wasteful number, since it uses less digits than its factorization.

27205130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720520.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 27205130 is about 5215.8537172739. The cubic root of 27205130 is about 300.7578248007.

The spelling of 27205130 in words is "twenty-seven million, two hundred five thousand, one hundred thirty".

Divisors: 1 2 5 10 2720513 5441026 13602565 27205130