| Base | Representation |
|---|---|
| bin | 101101010110… |
| … | …110111001000 |
| 3 | 211101002011211 |
| 4 | 231112313020 |
| 5 | 11020440440 |
| 6 | 1102502504 |
| 7 | 203031034 |
| oct | 55266710 |
| 9 | 24332154 |
| 10 | 11890120 |
| 11 | 6791250 |
| 12 | 3b94a34 |
| 13 | 2603c98 |
| 14 | 18171c4 |
| 15 | 109ceea |
| hex | b56dc8 |
11890120 has 64 divisors (see below), whose sum is σ = 29730240. Its totient is φ = 4243200.
The previous prime is 11890091. The next prime is 11890127. The reversal of 11890120 is 2109811.
It is a super-2 number, since 2×118901202 = 282749907228800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 11890091 and 11890100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11890127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26619 + ... + 27061.
It is an arithmetic number, because the mean of its divisors is an integer number (464535).
Almost surely, 211890120 is an apocalyptic number.
11890120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 11890120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14865120).
11890120 is an abundant number, since it is smaller than the sum of its proper divisors (17840120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11890120 is a wasteful number, since it uses less digits than its factorization.
11890120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 526 (or 522 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 22.
The square root of 11890120 is about 3448.2053303131. The cubic root of 11890120 is about 228.2419202989.
Adding to 11890120 its reverse (2109811), we get a palindrome (13999931).
The spelling of 11890120 in words is "eleven million, eight hundred ninety thousand, one hundred twenty".
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