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27379061 = 171610533
BaseRepresentation
bin110100001110…
…0010101110101
31220112000000022
41220130111311
524002112221
62414454525
7451501223
oct150342565
956460008
1027379061
1114500326
129204445
135898038
1438c9b13
15260c4ab
hex1a1c575

27379061 has 4 divisors (see below), whose sum is σ = 28989612. Its totient is φ = 25768512.

The previous prime is 27379043. The next prime is 27379067. The reversal of 27379061 is 16097372.

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 15171025 + 12208036 = 3895^2 + 3494^2 .

It is a cyclic number.

It is not a de Polignac number, because 27379061 - 26 = 27378997 is a prime.

It is a super-2 number, since 2×273790612 = 1499225962483442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27379067) 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, 805250 + ... + 805283.

It is an arithmetic number, because the mean of its divisors is an integer number (7247403).

Almost surely, 227379061 is an apocalyptic number.

It is an amenable number.

27379061 is a deficient number, since it is larger than the sum of its proper divisors (1610551).

27379061 is a wasteful number, since it uses less digits than its factorization.

27379061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610550.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 27379061 is about 5232.5004538939. The cubic root of 27379061 is about 301.3974103375.

The spelling of 27379061 in words is "twenty-seven million, three hundred seventy-nine thousand, sixty-one".

Divisors: 1 17 1610533 27379061