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27038069 = 157172217
BaseRepresentation
bin110011100100…
…1000101110101
31212212200020222
41213021011311
523410204234
62403304125
7445551122
oct147110565
955780228
1027038069
1114298113
12907b045
1357a8a76
14383b749
15259142e
hex19c9175

27038069 has 4 divisors (see below), whose sum is σ = 27210444. Its totient is φ = 26865696.

The previous prime is 27038059. The next prime is 27038093. The reversal of 27038069 is 96083072.

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 3467044 + 23571025 = 1862^2 + 4855^2 .

It is a cyclic number.

It is not a de Polignac number, because 27038069 - 212 = 27033973 is a prime.

It is a super-2 number, since 2×270380692 = 1462114350497522, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27038059) 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, 85952 + ... + 86265.

It is an arithmetic number, because the mean of its divisors is an integer number (6802611).

Almost surely, 227038069 is an apocalyptic number.

It is an amenable number.

27038069 is a deficient number, since it is larger than the sum of its proper divisors (172375).

27038069 is a wasteful number, since it uses less digits than its factorization.

27038069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172374.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 27038069 is about 5199.8143236081. The cubic root of 27038069 is about 300.1409300816.

The spelling of 27038069 in words is "twenty-seven million, thirty-eight thousand, sixty-nine".

Divisors: 1 157 172217 27038069