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27085993 = 117389379
BaseRepresentation
bin110011101010…
…0110010101001
31212222002222221
41213110302221
523413222433
62404314041
7446140624
oct147246251
955862887
1027085993
1114320120
1290a2921
1357c481c
143850dbb
1525a072d
hex19d4ca9

27085993 has 16 divisors (see below), whose sum is σ = 30369600. Its totient is φ = 23950080.

The previous prime is 27085979. The next prime is 27085997. The reversal of 27085993 is 39958072.

It is a happy number.

It is not a de Polignac number, because 27085993 - 29 = 27085481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27085997) 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 15 ways as a sum of consecutive naturals, for example, 71278 + ... + 71656.

It is an arithmetic number, because the mean of its divisors is an integer number (1898100).

Almost surely, 227085993 is an apocalyptic number.

It is an amenable number.

27085993 is a deficient number, since it is larger than the sum of its proper divisors (3283607).

27085993 is a wasteful number, since it uses less digits than its factorization.

27085993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 27085993 is about 5204.4205249000. The cubic root of 27085993 is about 300.3181550645.

The spelling of 27085993 in words is "twenty-seven million, eighty-five thousand, nine hundred ninety-three".

Divisors: 1 11 73 89 379 803 979 4169 6497 27667 33731 71467 304337 371041 2462363 27085993