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27064465 = 510153593
BaseRepresentation
bin110011100111…
…1100010010001
31212221000110121
41213033202101
523412030330
62404030241
7446021101
oct147174221
955830417
1027064465
1114305a2a
129092381
1357b7a9c
143847201
15259917a
hex19cf891

27064465 has 8 divisors (see below), whose sum is σ = 32799528. Its totient is φ = 21436800.

The previous prime is 27064447. The next prime is 27064481. The reversal of 27064465 is 56446072.

It can be written as a sum of positive squares in 4 ways, for example, as 8479744 + 18584721 = 2912^2 + 4311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27064465 - 211 = 27062417 is a prime.

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 27064465.

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 7 ways as a sum of consecutive naturals, for example, 26292 + ... + 27301.

It is an arithmetic number, because the mean of its divisors is an integer number (4099941).

Almost surely, 227064465 is an apocalyptic number.

It is an amenable number.

27064465 is a deficient number, since it is larger than the sum of its proper divisors (5735063).

27064465 is a wasteful number, since it uses less digits than its factorization.

27064465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53699.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 27064465 is about 5202.3518719902. The cubic root of 27064465 is about 300.2385694910.

The spelling of 27064465 in words is "twenty-seven million, sixty-four thousand, four hundred sixty-five".

Divisors: 1 5 101 505 53593 267965 5412893 27064465