Base | Representation |
---|---|
bin | 101011000001… |
… | …111100101000 |
3 | 210020002111000 |
4 | 223001330220 |
5 | 10341431133 |
6 | 1041435000 |
7 | 164610534 |
oct | 53017450 |
9 | 23202430 |
10 | 11280168 |
11 | 6404a59 |
12 | 393ba60 |
13 | 244c473 |
14 | 16d8bc4 |
15 | ecc413 |
hex | ac1f28 |
11280168 has 32 divisors (see below), whose sum is σ = 31334400. Its totient is φ = 3759984.
The previous prime is 11280161. The next prime is 11280193. The reversal of 11280168 is 86108211.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11280161) 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 7 ways as a sum of consecutive naturals, for example, 25896 + ... + 26327.
It is an arithmetic number, because the mean of its divisors is an integer number (979200).
Almost surely, 211280168 is an apocalyptic number.
11280168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
11280168 is an abundant number, since it is smaller than the sum of its proper divisors (20054232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11280168 is a wasteful number, since it uses less digits than its factorization.
11280168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52238 (or 52228 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 27.
The square root of 11280168 is about 3358.5961352922. The cubic root of 11280168 is about 224.2703474787.
Adding to 11280168 its reverse (86108211), we get a palindrome (97388379).
The spelling of 11280168 in words is "eleven million, two hundred eighty thousand, one hundred sixty-eight".
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