Search a number
-
+
27256049 = 171603297
BaseRepresentation
bin110011111111…
…0010011110001
31220021202021022
41213332103301
523434143144
62412105225
7450446462
oct147762361
956252238
1027256049
1114426967
129165215
135854052
143896d69
1525d5cee
hex19fe4f1

27256049 has 4 divisors (see below), whose sum is σ = 28859364. Its totient is φ = 25652736.

The previous prime is 27256007. The next prime is 27256067. The reversal of 27256049 is 94065272.

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 8809024 + 18447025 = 2968^2 + 4295^2 .

It is a cyclic number.

It is not a de Polignac number, because 27256049 - 220 = 26207473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27256079) 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, 801632 + ... + 801665.

It is an arithmetic number, because the mean of its divisors is an integer number (7214841).

Almost surely, 227256049 is an apocalyptic number.

It is an amenable number.

27256049 is a deficient number, since it is larger than the sum of its proper divisors (1603315).

27256049 is a wasteful number, since it uses less digits than its factorization.

27256049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603314.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 27256049 is about 5220.7326114253. The cubic root of 27256049 is about 300.9453475606.

The spelling of 27256049 in words is "twenty-seven million, two hundred fifty-six thousand, forty-nine".

Divisors: 1 17 1603297 27256049