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11689124 = 226614421
BaseRepresentation
bin101100100101…
…110010100100
3210222212110112
4230211302210
510443022444
61054312152
7201233036
oct54456244
923885415
1011689124
116664237
123ab8658
132563655
1417a3c56
15105d69e
hexb25ca4

11689124 has 12 divisors (see below), whose sum is σ = 20491548. Its totient is φ = 5834400.

The previous prime is 11689109. The next prime is 11689127. The reversal of 11689124 is 42198611.

It can be written as a sum of positive squares in 2 ways, for example, as 9498724 + 2190400 = 3082^2 + 1480^2 .

It is not an unprimeable number, because it can be changed into a prime (11689127) 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 3 ways as a sum of consecutive naturals, for example, 434 + ... + 4854.

It is an arithmetic number, because the mean of its divisors is an integer number (1707629).

Almost surely, 211689124 is an apocalyptic number.

It is an amenable number.

11689124 is a deficient number, since it is larger than the sum of its proper divisors (8802424).

11689124 is a wasteful number, since it uses less digits than its factorization.

11689124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5086 (or 5084 counting only the distinct ones).

The product of its digits is 3456, while the sum is 32.

The square root of 11689124 is about 3418.9360918274. The cubic root of 11689124 is about 226.9485027470.

The spelling of 11689124 in words is "eleven million, six hundred eighty-nine thousand, one hundred twenty-four".

Divisors: 1 2 4 661 1322 2644 4421 8842 17684 2922281 5844562 11689124