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27690119 = 37973061
BaseRepresentation
bin110100110100…
…0010010000111
31221002210200222
41221220102013
524042040434
62425254555
7454235132
oct151502207
957083628
1027690119
11146a2aa6
12933445b
1359767b2
14396b219
15266e72e
hex1a68487

27690119 has 4 divisors (see below), whose sum is σ = 27763560. Its totient is φ = 27616680.

The previous prime is 27690107. The next prime is 27690139. The reversal of 27690119 is 91109672.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-27690119 is a prime.

It is a super-2 number, since 2×276901192 = 1533485380468322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27690139) 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 3 ways as a sum of consecutive naturals, for example, 36152 + ... + 36909.

It is an arithmetic number, because the mean of its divisors is an integer number (6940890).

Almost surely, 227690119 is an apocalyptic number.

27690119 is a deficient number, since it is larger than the sum of its proper divisors (73441).

27690119 is an equidigital number, since it uses as much as digits as its factorization.

27690119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73440.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 27690119 is about 5262.1401539678. The cubic root of 27690119 is about 302.5345233007.

The spelling of 27690119 in words is "twenty-seven million, six hundred ninety thousand, one hundred nineteen".

Divisors: 1 379 73061 27690119