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27945106 = 2711171787
BaseRepresentation
bin110101010011…
…0100010010010
31221120202110221
41222212202102
524123220411
62434543254
7456346420
oct152464222
957522427
1027945106
1114857632
129437b2a
135a35887
1439d6110
1526c0071
hex1aa6892

27945106 has 16 divisors (see below), whose sum is σ = 47975616. Its totient is φ = 11959056.

The previous prime is 27945089. The next prime is 27945107. The reversal of 27945106 is 60154972.

It is not an unprimeable number, because it can be changed into a prime (27945107) 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, 14745 + ... + 16531.

It is an arithmetic number, because the mean of its divisors is an integer number (2998476).

Almost surely, 227945106 is an apocalyptic number.

27945106 is a deficient number, since it is larger than the sum of its proper divisors (20030510).

27945106 is a wasteful number, since it uses less digits than its factorization.

27945106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 27945106 is about 5286.3130819126. The cubic root of 27945106 is about 303.4603262756.

The spelling of 27945106 in words is "twenty-seven million, nine hundred forty-five thousand, one hundred six".

Divisors: 1 2 7 14 1117 1787 2234 3574 7819 12509 15638 25018 1996079 3992158 13972553 27945106