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3907085 = 571331277
BaseRepresentation
bin1110111001111000001101
321100111111212
432321320031
52000011320
6215424205
745131630
oct16717015
97314455
103907085
1122294a6
121385065
13a6a4b0
14739c17
155229c5
hex3b9e0d

3907085 has 32 divisors (see below), whose sum is σ = 5978112. Its totient is φ = 2384640.

The previous prime is 3907081. The next prime is 3907091. The reversal of 3907085 is 5807093.

It is not a de Polignac number, because 3907085 - 22 = 3907081 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3907081) 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 31 ways as a sum of consecutive naturals, for example, 13967 + ... + 14243.

It is an arithmetic number, because the mean of its divisors is an integer number (186816).

Almost surely, 23907085 is an apocalyptic number.

3907085 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3907085 is a deficient number, since it is larger than the sum of its proper divisors (2071027).

3907085 is a wasteful number, since it uses less digits than its factorization.

3907085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 3907085 is about 1976.6347664655. The cubic root of 3907085 is about 157.5013521342.

The spelling of 3907085 in words is "three million, nine hundred seven thousand, eighty-five".

Divisors: 1 5 7 13 31 35 65 91 155 217 277 403 455 1085 1385 1939 2015 2821 3601 8587 9695 14105 18005 25207 42935 60109 111631 126035 300545 558155 781417 3907085