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27180668 = 226839949
BaseRepresentation
bin110011110101…
…1111001111100
31220010220212102
41213223321330
523424240133
62410324232
7450013634
oct147537174
956126772
1027180668
1114385269
129129678
135828948
1438776c4
1525bd7e8
hex19ebe7c

27180668 has 12 divisors (see below), whose sum is σ = 47640600. Its totient is φ = 13569072.

The previous prime is 27180653. The next prime is 27180677. The reversal of 27180668 is 86608172.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2243 + ... + 7706.

It is an arithmetic number, because the mean of its divisors is an integer number (3970050).

Almost surely, 227180668 is an apocalyptic number.

It is an amenable number.

27180668 is a deficient number, since it is larger than the sum of its proper divisors (20459932).

27180668 is a wasteful number, since it uses less digits than its factorization.

27180668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10636 (or 10634 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 27180668 is about 5213.5082238355. The cubic root of 27180668 is about 300.6676537666.

The spelling of 27180668 in words is "twenty-seven million, one hundred eighty thousand, six hundred sixty-eight".

Divisors: 1 2 4 683 1366 2732 9949 19898 39796 6795167 13590334 27180668