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27712137 = 319994621
BaseRepresentation
bin110100110110…
…1101010001001
31221010220220110
41221231222021
524043242022
62425544533
7454356255
oct151555211
957126813
1027712137
11147085a2
129345149
13598381b
143975265
15267600c
hex1a6da89

27712137 has 8 divisors (see below), whose sum is σ = 36976000. Its totient is φ = 18461520.

The previous prime is 27712129. The next prime is 27712141. The reversal of 27712137 is 73121772.

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

It is not a de Polignac number, because 27712137 - 23 = 27712129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27712337) 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, 3687 + ... + 8307.

It is an arithmetic number, because the mean of its divisors is an integer number (4622000).

Almost surely, 227712137 is an apocalyptic number.

It is an amenable number.

27712137 is a deficient number, since it is larger than the sum of its proper divisors (9263863).

27712137 is a wasteful number, since it uses less digits than its factorization.

27712137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6623.

The product of its digits is 4116, while the sum is 30.

The square root of 27712137 is about 5264.2318527968. The cubic root of 27712137 is about 302.6146895668.

The spelling of 27712137 in words is "twenty-seven million, seven hundred twelve thousand, one hundred thirty-seven".

Divisors: 1 3 1999 4621 5997 13863 9237379 27712137