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27706117 = 713171231
BaseRepresentation
bin110100110110…
…0001100000101
31221010121122111
41221230030011
524043043432
62425501021
7454332565
oct151541405
957117574
1027706117
111470401a
129341771
135980b6a
143972da5
152674347
hex1a6c305

27706117 has 8 divisors (see below), whose sum is σ = 28207872. Its totient is φ = 27207600.

The previous prime is 27706109. The next prime is 27706177. The reversal of 27706117 is 71160772.

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 27706117 - 23 = 27706109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27706177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21892 + ... + 23122.

It is an arithmetic number, because the mean of its divisors is an integer number (3525984).

Almost surely, 227706117 is an apocalyptic number.

It is an amenable number.

27706117 is a deficient number, since it is larger than the sum of its proper divisors (501755).

27706117 is a wasteful number, since it uses less digits than its factorization.

27706117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619.

The product of its (nonzero) digits is 4116, while the sum is 31.

The square root of 27706117 is about 5263.6600384143. The cubic root of 27706117 is about 302.5927753136.

Adding to 27706117 its reverse (71160772), we get a palindrome (98866889).

The spelling of 27706117 in words is "twenty-seven million, seven hundred six thousand, one hundred seventeen".

Divisors: 1 71 317 1231 22507 87401 390227 27706117