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27130078 = 228347933
BaseRepresentation
bin110011101111…
…1100011011110
31220001100110201
41213133203132
523421130303
62405254114
7446413303
oct147374336
956040421
1027130078
1114350258
12910433a
13580b901
1438630aa
1525ad81d
hex19df8de

27130078 has 8 divisors (see below), whose sum is σ = 40839768. Its totient is φ = 13516824.

The previous prime is 27130073. The next prime is 27130091. The reversal of 27130078 is 87003172.

It is a happy number.

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

It is a super-2 number, since 2×271300782 = 1472082264572168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27130073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23401 + ... + 24532.

It is an arithmetic number, because the mean of its divisors is an integer number (5104971).

Almost surely, 227130078 is an apocalyptic number.

27130078 is a deficient number, since it is larger than the sum of its proper divisors (13709690).

27130078 is a wasteful number, since it uses less digits than its factorization.

27130078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48218.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 27130078 is about 5208.6541447863. The cubic root of 27130078 is about 300.4809987589.

The spelling of 27130078 in words is "twenty-seven million, one hundred thirty thousand, seventy-eight".

Divisors: 1 2 283 566 47933 95866 13565039 27130078