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27039085 = 510949613
BaseRepresentation
bin110011100100…
…1010101101101
31212212201122121
41213021111231
523410222320
62403312541
7445554103
oct147112555
955781577
1027039085
1114298957
12907b751
1357a9378
14383bc73
1525918aa
hex19c956d

27039085 has 8 divisors (see below), whose sum is σ = 32745240. Its totient is φ = 21432384.

The previous prime is 27039083. The next prime is 27039101. The reversal of 27039085 is 58093072.

It can be written as a sum of positive squares in 4 ways, for example, as 30276 + 27008809 = 174^2 + 5197^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 27039085 - 21 = 27039083 is a prime.

It is a super-2 number, since 2×270390852 = 1462224235274450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27039085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27039083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24262 + ... + 25351.

It is an arithmetic number, because the mean of its divisors is an integer number (4093155).

Almost surely, 227039085 is an apocalyptic number.

It is an amenable number.

27039085 is a deficient number, since it is larger than the sum of its proper divisors (5706155).

27039085 is a wasteful number, since it uses less digits than its factorization.

27039085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49727.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 27039085 is about 5199.9120184865. The cubic root of 27039085 is about 300.1446894646.

The spelling of 27039085 in words is "twenty-seven million, thirty-nine thousand, eighty-five".

Divisors: 1 5 109 545 49613 248065 5407817 27039085