Base | Representation |
---|---|
bin | 101101101110… |
… | …110110010100 |
3 | 211120001221210 |
4 | 231232312110 |
5 | 11032111442 |
6 | 1104541420 |
7 | 203620344 |
oct | 55566624 |
9 | 24501853 |
10 | 11988372 |
11 | 6849050 |
12 | 4021870 |
13 | 2639916 |
14 | 1840d24 |
15 | 10bc19c |
hex | b6ed94 |
11988372 has 24 divisors (see below), whose sum is σ = 30516192. Its totient is φ = 3632800.
The previous prime is 11988367. The next prime is 11988401. The reversal of 11988372 is 27388911.
It is a self number, because there is not a number n which added to its sum of digits gives 11988372.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45279 + ... + 45542.
It is an arithmetic number, because the mean of its divisors is an integer number (1271508).
Almost surely, 211988372 is an apocalyptic number.
11988372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
11988372 is an abundant number, since it is smaller than the sum of its proper divisors (18527820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11988372 is a wasteful number, since it uses less digits than its factorization.
11988372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90839 (or 90837 counting only the distinct ones).
The product of its digits is 24192, while the sum is 39.
The square root of 11988372 is about 3462.4228511261. The cubic root of 11988372 is about 228.8688760724.
The spelling of 11988372 in words is "eleven million, nine hundred eighty-eight thousand, three hundred seventy-two".
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