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27930529 = 117932141
BaseRepresentation
bin110101010001…
…0111110100001
31221120000111001
41222202332201
524122234104
62434352001
7456256054
oct152427641
957500431
1027930529
1114847690
12942b601
135a2c053
1439d0a9b
1526baaa4
hex1aa2fa1

27930529 has 8 divisors (see below), whose sum is σ = 30856320. Its totient is φ = 25069200.

The previous prime is 27930517. The next prime is 27930563. The reversal of 27930529 is 92503972.

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

It is a cyclic number.

It is not a de Polignac number, because 27930529 - 27 = 27930401 is a prime.

It is a super-2 number, since 2×279305292 = 1560228900439682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27930569) 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 7 ways as a sum of consecutive naturals, for example, 15202 + ... + 16939.

It is an arithmetic number, because the mean of its divisors is an integer number (3857040).

Almost surely, 227930529 is an apocalyptic number.

It is an amenable number.

27930529 is a deficient number, since it is larger than the sum of its proper divisors (2925791).

27930529 is a wasteful number, since it uses less digits than its factorization.

27930529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32231.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 27930529 is about 5284.9341528538. The cubic root of 27930529 is about 303.4075524488.

The spelling of 27930529 in words is "twenty-seven million, nine hundred thirty thousand, five hundred twenty-nine".

Divisors: 1 11 79 869 32141 353551 2539139 27930529