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27113331 = 371291111
BaseRepresentation
bin110011101101…
…1011101110011
31220000111111110
41213123131303
523420111311
62405044403
7446313420
oct147333563
956014443
1027113331
1114339713
1290b6703
1358040bb
14385ad47
1525a88a6
hex19db773

27113331 has 8 divisors (see below), whose sum is σ = 41315584. Its totient is φ = 15493320.

The previous prime is 27113329. The next prime is 27113363. The reversal of 27113331 is 13331172.

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

It is not a de Polignac number, because 27113331 - 21 = 27113329 is a prime.

It is a super-2 number, since 2×271133312 = 1470265435831122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1291111 = 27113331 / (2 + 7 + 1 + 1 + 3 + 3 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27113298 and 27113307.

It is not an unprimeable number, because it can be changed into a prime (27113431) 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 7 ways as a sum of consecutive naturals, for example, 645535 + ... + 645576.

It is an arithmetic number, because the mean of its divisors is an integer number (5164448).

Almost surely, 227113331 is an apocalyptic number.

27113331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

27113331 is a deficient number, since it is larger than the sum of its proper divisors (14202253).

27113331 is a wasteful number, since it uses less digits than its factorization.

27113331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291121.

The product of its digits is 378, while the sum is 21.

The square root of 27113331 is about 5207.0462836430. The cubic root of 27113331 is about 300.4191585255.

The spelling of 27113331 in words is "twenty-seven million, one hundred thirteen thousand, three hundred thirty-one".

Divisors: 1 3 7 21 1291111 3873333 9037777 27113331