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27274689 = 3213233117
BaseRepresentation
bin110100000001…
…0110111000001
31220022200211200
41220002313001
523440242224
62412331413
7450555021
oct150026701
956280750
1027274689
1114439972
129173b69
13585c690
14389da81
1525db5c9
hex1a02dc1

27274689 has 12 divisors (see below), whose sum is σ = 42427476. Its totient is φ = 16784352.

The previous prime is 27274679. The next prime is 27274727. The reversal of 27274689 is 98647272.

It can be written as a sum of positive squares in 2 ways, for example, as 3186225 + 24088464 = 1785^2 + 4908^2 .

It is not a de Polignac number, because 27274689 - 25 = 27274657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27274679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116442 + ... + 116675.

It is an arithmetic number, because the mean of its divisors is an integer number (3535623).

Almost surely, 227274689 is an apocalyptic number.

It is an amenable number.

27274689 is a deficient number, since it is larger than the sum of its proper divisors (15152787).

27274689 is a wasteful number, since it uses less digits than its factorization.

27274689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233136 (or 233133 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 27274689 is about 5222.5174963805. The cubic root of 27274689 is about 301.0139359191.

The spelling of 27274689 in words is "twenty-seven million, two hundred seventy-four thousand, six hundred eighty-nine".

Divisors: 1 3 9 13 39 117 233117 699351 2098053 3030521 9091563 27274689