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27052231 = 193140167
BaseRepresentation
bin110011100110…
…0100011000111
31212220101200111
41213030203013
523411132411
62403453451
7445640323
oct147144307
955811614
1027052231
11142a7818
129087287
1357b234b
143842983
152595721
hex19cc8c7

27052231 has 4 divisors (see below), whose sum is σ = 27192592. Its totient is φ = 26911872.

The previous prime is 27052211. The next prime is 27052241. The reversal of 27052231 is 13225072.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27052231 - 211 = 27050183 is a prime.

It is a super-2 number, since 2×270522312 = 1463646404154722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27052211) 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 3 ways as a sum of consecutive naturals, for example, 69891 + ... + 70276.

It is an arithmetic number, because the mean of its divisors is an integer number (6798148).

Almost surely, 227052231 is an apocalyptic number.

27052231 is a deficient number, since it is larger than the sum of its proper divisors (140361).

27052231 is a wasteful number, since it uses less digits than its factorization.

27052231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140360.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 27052231 is about 5201.1759247309. The cubic root of 27052231 is about 300.1933235414.

The spelling of 27052231 in words is "twenty-seven million, fifty-two thousand, two hundred thirty-one".

Divisors: 1 193 140167 27052231