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3066749 = 71725771
BaseRepresentation
bin1011101100101101111101
312202210210022
423230231331
51241113444
6145421525
735031650
oct13545575
95683708
103066749
111805104
12103a8a5
13834b5a
1459b897
154089ee
hex2ecb7d

3066749 has 8 divisors (see below), whose sum is σ = 3711168. Its totient is φ = 2473920.

The previous prime is 3066743. The next prime is 3066769. The reversal of 3066749 is 9476603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3066749 - 28 = 3066493 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 (3066743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12767 + ... + 13004.

It is an arithmetic number, because the mean of its divisors is an integer number (463896).

Almost surely, 23066749 is an apocalyptic number.

It is an amenable number.

3066749 is a deficient number, since it is larger than the sum of its proper divisors (644419).

3066749 is a wasteful number, since it uses less digits than its factorization.

3066749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25795.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 3066749 is about 1751.2135792073. The cubic root of 3066749 is about 145.2867729303.

The spelling of 3066749 in words is "three million, sixty-six thousand, seven hundred forty-nine".

Divisors: 1 7 17 119 25771 180397 438107 3066749