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27104425 = 521084177
BaseRepresentation
bin110011101100…
…1010010101001
31220000001021121
41213121102221
523414320200
62404535241
7446245435
oct147312251
956001247
1027104425
1114332a57
1290b1521
13580002a
1438579c5
1525a5e1a
hex19d94a9

27104425 has 6 divisors (see below), whose sum is σ = 33609518. Its totient is φ = 21683520.

The previous prime is 27104411. The next prime is 27104449. The reversal of 27104425 is 52440172.

It can be written as a sum of positive squares in 3 ways, for example, as 1338649 + 25765776 = 1157^2 + 5076^2 .

It is not a de Polignac number, because 27104425 - 213 = 27096233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 1084177 = 27104425 / (2 + 7 + 1 + 0 + 4 + 4 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27104425.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 542064 + ... + 542113.

Almost surely, 227104425 is an apocalyptic number.

27104425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27104425 is a deficient number, since it is larger than the sum of its proper divisors (6505093).

27104425 is a wasteful number, since it uses less digits than its factorization.

27104425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084187 (or 1084182 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 27104425 is about 5206.1910260765. The cubic root of 27104425 is about 300.3862617188.

Adding to 27104425 its reverse (52440172), we get a palindrome (79544597).

The spelling of 27104425 in words is "twenty-seven million, one hundred four thousand, four hundred twenty-five".

Divisors: 1 5 25 1084177 5420885 27104425