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27085973 = 231177651
BaseRepresentation
bin110011101010…
…0110010010101
31212222002222012
41213110302111
523413222343
62404314005
7446140565
oct147246225
955862865
1027085973
1114320102
1290a2905
1357c4805
143850da5
1525a0718
hex19d4c95

27085973 has 4 divisors (see below), whose sum is σ = 28263648. Its totient is φ = 25908300.

The previous prime is 27085969. The next prime is 27085979. The reversal of 27085973 is 37958072.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27085973 - 22 = 27085969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27085973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27085979) 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, 588803 + ... + 588848.

It is an arithmetic number, because the mean of its divisors is an integer number (7065912).

Almost surely, 227085973 is an apocalyptic number.

27085973 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

27085973 is a deficient number, since it is larger than the sum of its proper divisors (1177675).

27085973 is a wasteful number, since it uses less digits than its factorization.

27085973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177674.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 27085973 is about 5204.4186034561. The cubic root of 27085973 is about 300.3180811473.

The spelling of 27085973 in words is "twenty-seven million, eighty-five thousand, nine hundred seventy-three".

Divisors: 1 23 1177651 27085973