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27004545 = 325600101
BaseRepresentation
bin110011100000…
…0111010000001
31212210222021100
41213000322001
523403121140
62402445013
7445351311
oct147007201
955728240
1027004545
1114274a07
129063769
135796729
14382d441
152586530
hex19c0e81

27004545 has 12 divisors (see below), whose sum is σ = 46807956. Its totient is φ = 14402400.

The previous prime is 27004541. The next prime is 27004547. The reversal of 27004545 is 54540072.

It can be written as a sum of positive squares in 2 ways, for example, as 15492096 + 11512449 = 3936^2 + 3393^2 .

It is not a de Polignac number, because 27004545 - 22 = 27004541 is a prime.

27004545 is a modest number, since divided by 4545 gives 2700 as remainder.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27004541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300006 + ... + 300095.

It is an arithmetic number, because the mean of its divisors is an integer number (3900663).

Almost surely, 227004545 is an apocalyptic number.

It is an amenable number.

27004545 is a deficient number, since it is larger than the sum of its proper divisors (19803411).

27004545 is a wasteful number, since it uses less digits than its factorization.

27004545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600112 (or 600109 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 27004545 is about 5196.5897471322. The cubic root of 27004545 is about 300.0168323889.

The spelling of 27004545 in words is "twenty-seven million, four thousand, five hundred forty-five".

Divisors: 1 3 5 9 15 45 600101 1800303 3000505 5400909 9001515 27004545