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27083669 = 171739209
BaseRepresentation
bin110011101010…
…0001110010101
31212221222210212
41213110032111
523413134134
62404255205
7446131064
oct147241625
955858725
1027083669
11143193a8
1290a1505
1357c3752
1438501db
15259ebce
hex19d4395

27083669 has 8 divisors (see below), whose sum is σ = 28845720. Its totient is φ = 25340416.

The previous prime is 27083659. The next prime is 27083699. The reversal of 27083669 is 96638072.

It can be written as a sum of positive squares in 4 ways, for example, as 8334769 + 18748900 = 2887^2 + 4330^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-27083669 is a prime.

It is a super-2 number, since 2×270836692 = 1467050253003122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27083659) 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, 1664 + ... + 7545.

It is an arithmetic number, because the mean of its divisors is an integer number (3605715).

Almost surely, 227083669 is an apocalyptic number.

It is an amenable number.

27083669 is a deficient number, since it is larger than the sum of its proper divisors (1762051).

27083669 is a wasteful number, since it uses less digits than its factorization.

27083669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9399.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 27083669 is about 5204.1972483756. The cubic root of 27083669 is about 300.3095656390.

The spelling of 27083669 in words is "twenty-seven million, eighty-three thousand, six hundred sixty-nine".

Divisors: 1 17 173 2941 9209 156553 1593157 27083669