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3006731 = 713193747
BaseRepresentation
bin1011011110000100001011
312122202110102
423132010023
51232203411
6144240015
734361660
oct13360413
95582412
103006731
111774002
12101000b
13813740
14583a67
153e5d3b
hex2de10b

3006731 has 32 divisors (see below), whose sum is σ = 4085760. Its totient is φ = 2146176.

The previous prime is 3006719. The next prime is 3006733. The reversal of 3006731 is 1376003.

3006731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3006731 - 26 = 3006667 is a prime.

It is a super-2 number, since 2×30067312 = 18080862612722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3006733) 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 31 ways as a sum of consecutive naturals, for example, 63950 + ... + 63996.

It is an arithmetic number, because the mean of its divisors is an integer number (127680).

Almost surely, 23006731 is an apocalyptic number.

3006731 is a deficient number, since it is larger than the sum of its proper divisors (1079029).

3006731 is a wasteful number, since it uses less digits than its factorization.

3006731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 3006731 is about 1733.9927912192. The cubic root of 3006731 is about 144.3327407035.

The spelling of 3006731 in words is "three million, six thousand, seven hundred thirty-one".

Divisors: 1 7 13 19 37 47 91 133 247 259 329 481 611 703 893 1729 1739 3367 4277 4921 6251 9139 11609 12173 22607 33041 63973 81263 158249 231287 429533 3006731