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27254137 = 53514229
BaseRepresentation
bin110011111110…
…1110101111001
31220021122122111
41213331311321
523434113022
62412052321
7450441061
oct147756571
956248574
1027254137
1114425489
1291640a1
135853211
1438963a1
1525d5477
hex19fdd79

27254137 has 4 divisors (see below), whose sum is σ = 27768420. Its totient is φ = 26739856.

The previous prime is 27254119. The next prime is 27254153. The reversal of 27254137 is 73145272.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12362256 + 14891881 = 3516^2 + 3859^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-27254137 is a prime.

It is a super-2 number, since 2×272541372 = 1485575967229538, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27254099 and 27254108.

It is not an unprimeable number, because it can be changed into a prime (27254107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257062 + ... + 257167.

It is an arithmetic number, because the mean of its divisors is an integer number (6942105).

Almost surely, 227254137 is an apocalyptic number.

It is an amenable number.

27254137 is a deficient number, since it is larger than the sum of its proper divisors (514283).

27254137 is an equidigital number, since it uses as much as digits as its factorization.

27254137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514282.

The product of its digits is 11760, while the sum is 31.

The square root of 27254137 is about 5220.5494921512. The cubic root of 27254137 is about 300.9383103342.

The spelling of 27254137 in words is "twenty-seven million, two hundred fifty-four thousand, one hundred thirty-seven".

Divisors: 1 53 514229 27254137