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11431412 = 2217168109
BaseRepresentation
bin101011100110…
…110111110100
3210111202221122
4223212313310
510411301122
61045003112
7166110506
oct53466764
923452848
1011431412
1164a8653
1239b3498
1324a3265
141737d76
15100c142
hexae6df4

11431412 has 12 divisors (see below), whose sum is σ = 21181860. Its totient is φ = 5379456.

The previous prime is 11431403. The next prime is 11431447. The reversal of 11431412 is 21413411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10719076 + 712336 = 3274^2 + 844^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83987 + ... + 84122.

It is an arithmetic number, because the mean of its divisors is an integer number (1765155).

Almost surely, 211431412 is an apocalyptic number.

It is an amenable number.

11431412 is a deficient number, since it is larger than the sum of its proper divisors (9750448).

11431412 is a wasteful number, since it uses less digits than its factorization.

11431412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168130 (or 168128 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 11431412 is about 3381.0371189917. The cubic root of 11431412 is about 225.2682364702.

Adding to 11431412 its reverse (21413411), we get a palindrome (32844823).

The spelling of 11431412 in words is "eleven million, four hundred thirty-one thousand, four hundred twelve".

Divisors: 1 2 4 17 34 68 168109 336218 672436 2857853 5715706 11431412