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27254929 = 132096533
BaseRepresentation
bin110011111111…
…0000010010001
31220021200201211
41213332002101
523434124204
62412100121
7450443302
oct147760221
956250654
1027254929
1114426039
129164641
1358536a0
1438967a9
1525d5804
hex19fe091

27254929 has 4 divisors (see below), whose sum is σ = 29351476. Its totient is φ = 25158384.

The previous prime is 27254923. The next prime is 27254957. The reversal of 27254929 is 92945272.

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 11833600 + 15421329 = 3440^2 + 3927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-27254929 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27254891 and 27254900.

It is not an unprimeable number, because it can be changed into a prime (27254923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048254 + ... + 1048279.

It is an arithmetic number, because the mean of its divisors is an integer number (7337869).

Almost surely, 227254929 is an apocalyptic number.

It is an amenable number.

27254929 is a deficient number, since it is larger than the sum of its proper divisors (2096547).

27254929 is a wasteful number, since it uses less digits than its factorization.

27254929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096546.

The product of its digits is 90720, while the sum is 40.

The square root of 27254929 is about 5220.6253456842. The cubic root of 27254929 is about 300.9412253758.

The spelling of 27254929 in words is "twenty-seven million, two hundred fifty-four thousand, nine hundred twenty-nine".

Divisors: 1 13 2096533 27254929