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11485447 = 100911383
BaseRepresentation
bin101011110100…
…000100000111
3210121112001221
4223310010013
510420013242
61050101211
7166424161
oct53640407
923545057
1011485447
116535206
123a1a807
1324c1a2c
14174d931
15101d167
hexaf4107

11485447 has 4 divisors (see below), whose sum is σ = 11497840. Its totient is φ = 11473056.

The previous prime is 11485423. The next prime is 11485451. The reversal of 11485447 is 74458411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74458411 = 107695873.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11485447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11485477) 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, 4683 + ... + 6700.

It is an arithmetic number, because the mean of its divisors is an integer number (2874460).

Almost surely, 211485447 is an apocalyptic number.

11485447 is a deficient number, since it is larger than the sum of its proper divisors (12393).

11485447 is a wasteful number, since it uses less digits than its factorization.

11485447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12392.

The product of its digits is 17920, while the sum is 34.

The square root of 11485447 is about 3389.0185895035. The cubic root of 11485447 is about 225.6226178952.

The spelling of 11485447 in words is "eleven million, four hundred eighty-five thousand, four hundred forty-seven".

Divisors: 1 1009 11383 11485447