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27045029 = 112458639
BaseRepresentation
bin110011100101…
…0110010100101
31212220000210202
41213022302211
523410420104
62403400245
7445610324
oct147126245
955800722
1027045029
11142a2370
129083085
1357abc9b
1438400bb
15259351e
hex19caca5

27045029 has 4 divisors (see below), whose sum is σ = 29503680. Its totient is φ = 24586380.

The previous prime is 27044993. The next prime is 27045041. The reversal of 27045029 is 92054072.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-27045029 is a prime.

It is a super-2 number, since 2×270450292 = 1462867187221682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27044992 and 27045010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27045059) 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, 1229309 + ... + 1229330.

It is an arithmetic number, because the mean of its divisors is an integer number (7375920).

Almost surely, 227045029 is an apocalyptic number.

It is an amenable number.

27045029 is a deficient number, since it is larger than the sum of its proper divisors (2458651).

27045029 is a wasteful number, since it uses less digits than its factorization.

27045029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458650.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 27045029 is about 5200.4835352109. The cubic root of 27045029 is about 300.1666814479.

The spelling of 27045029 in words is "twenty-seven million, forty-five thousand, twenty-nine".

Divisors: 1 11 2458639 27045029