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27374913 = 3217178921
BaseRepresentation
bin110100001101…
…1010101000001
31220111210022200
41220123111001
524001444123
62414423413
7451453146
oct150332501
956453280
1027374913
11144a81a5
129201b69
135896197
1438c83cd
15260b143
hex1a1b541

27374913 has 12 divisors (see below), whose sum is σ = 41867748. Its totient is φ = 17176320.

The previous prime is 27374911. The next prime is 27374917. The reversal of 27374913 is 31947372.

It can be written as a sum of positive squares in 2 ways, for example, as 21455424 + 5919489 = 4632^2 + 2433^2 .

It is not a de Polignac number, because 27374913 - 21 = 27374911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27374911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89308 + ... + 89613.

It is an arithmetic number, because the mean of its divisors is an integer number (3488979).

Almost surely, 227374913 is an apocalyptic number.

It is an amenable number.

27374913 is a deficient number, since it is larger than the sum of its proper divisors (14492835).

27374913 is a wasteful number, since it uses less digits than its factorization.

27374913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178944 (or 178941 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 27374913 is about 5232.1040700659. The cubic root of 27374913 is about 301.3821887344.

The spelling of 27374913 in words is "twenty-seven million, three hundred seventy-four thousand, nine hundred thirteen".

Divisors: 1 3 9 17 51 153 178921 536763 1610289 3041657 9124971 27374913