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27090969 = 310982847
BaseRepresentation
bin110011101011…
…0000000011001
31212222100211020
41213112000121
523413402334
62404353053
7446161263
oct147260031
955870736
1027090969
1114323934
1290a5789
1357c6b79
143852b33
1525a1e49
hex19d6019

27090969 has 8 divisors (see below), whose sum is σ = 36453120. Its totient is φ = 17894736.

The previous prime is 27090881. The next prime is 27090991. The reversal of 27090969 is 96909072.

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

It is not a de Polignac number, because 27090969 - 213 = 27082777 is a prime.

It is a super-2 number, since 2×270909692 = 1467841202717922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 27090969.

It is not an unprimeable number, because it can be changed into a prime (27090169) 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, 41097 + ... + 41750.

It is an arithmetic number, because the mean of its divisors is an integer number (4556640).

Almost surely, 227090969 is an apocalyptic number.

It is an amenable number.

27090969 is a deficient number, since it is larger than the sum of its proper divisors (9362151).

27090969 is a wasteful number, since it uses less digits than its factorization.

27090969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82959.

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 27090969 is about 5204.8985580893. The cubic root of 27090969 is about 300.3365445403.

The spelling of 27090969 in words is "twenty-seven million, ninety thousand, nine hundred sixty-nine".

Divisors: 1 3 109 327 82847 248541 9030323 27090969