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27087668 = 226771917
BaseRepresentation
bin110011101010…
…1001100110100
31212222012021222
41213111030310
523413301133
62404325512
7446145536
oct147251464
955865258
1027087668
1114321403
1290a3898
1357c550a
143851856
1525a0e98
hex19d5334

27087668 has 6 divisors (see below), whose sum is σ = 47403426. Its totient is φ = 13543832.

The previous prime is 27087659. The next prime is 27087679. The reversal of 27087668 is 86678072.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 26091664 + 996004 = 5108^2 + 998^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3385955 + ... + 3385962.

It is an arithmetic number, because the mean of its divisors is an integer number (7900571).

Almost surely, 227087668 is an apocalyptic number.

It is an amenable number.

27087668 is a deficient number, since it is larger than the sum of its proper divisors (20315758).

27087668 is a wasteful number, since it uses less digits than its factorization.

27087668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6771921 (or 6771919 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 27087668 is about 5204.5814433055. The cubic root of 27087668 is about 300.3243455032.

The spelling of 27087668 in words is "twenty-seven million, eighty-seven thousand, six hundred sixty-eight".

Divisors: 1 2 4 6771917 13543834 27087668