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10993749 = 3131012791
BaseRepresentation
bin101001111100…
…000001010101
3202200112120220
4221330001111
510303244444
61031344553
7162305514
oct51740125
922615526
1010993749
116229848
123822159
13237bca0
14166267b
15e72619
hexa7c055

10993749 has 16 divisors (see below), whose sum is σ = 15947904. Its totient is φ = 6696000.

The previous prime is 10993739. The next prime is 10993753. The reversal of 10993749 is 94739901.

10993749 = T182 + T183 + ... + T415.

It is a de Polignac number, because none of the positive numbers 2k-10993749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10993749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10993709) 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 15 ways as a sum of consecutive naturals, for example, 2544 + ... + 5334.

It is an arithmetic number, because the mean of its divisors is an integer number (996744).

Almost surely, 210993749 is an apocalyptic number.

It is an amenable number.

10993749 is a deficient number, since it is larger than the sum of its proper divisors (4954155).

10993749 is a wasteful number, since it uses less digits than its factorization.

10993749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908.

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 10993749 is about 3315.6822827285. The cubic root of 10993749 is about 222.3558735000.

The spelling of 10993749 in words is "ten million, nine hundred ninety-three thousand, seven hundred forty-nine".

Divisors: 1 3 13 39 101 303 1313 2791 3939 8373 36283 108849 281891 845673 3664583 10993749