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27036685 = 513415949
BaseRepresentation
bin110011100100…
…0110000001101
31212212121100201
41213020300031
523410133220
62403253501
7445544104
oct147106015
955777321
1027036685
1114297075
12907a291
1357a8250
14383b03b
152590d0a
hex19c8c0d

27036685 has 8 divisors (see below), whose sum is σ = 34939800. Its totient is φ = 19965504.

The previous prime is 27036683. The next prime is 27036721. The reversal of 27036685 is 58663072.

It can be written as a sum of positive squares in 4 ways, for example, as 4937284 + 22099401 = 2222^2 + 4701^2 .

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

It is not a de Polignac number, because 27036685 - 21 = 27036683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27036683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207910 + ... + 208039.

It is an arithmetic number, because the mean of its divisors is an integer number (4367475).

Almost surely, 227036685 is an apocalyptic number.

It is an amenable number.

27036685 is a deficient number, since it is larger than the sum of its proper divisors (7903115).

27036685 is a wasteful number, since it uses less digits than its factorization.

27036685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415967.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 27036685 is about 5199.6812402300. The cubic root of 27036685 is about 300.1358088809.

The spelling of 27036685 in words is "twenty-seven million, thirty-six thousand, six hundred eighty-five".

Divisors: 1 5 13 65 415949 2079745 5407337 27036685