Base | Representation |
---|---|
bin | 101101001010… |
… | …001000100110 |
3 | 211021102200002 |
4 | 231022020212 |
5 | 11012303430 |
6 | 1101421302 |
7 | 202423043 |
oct | 55121046 |
9 | 24242602 |
10 | 11837990 |
11 | 675606a |
12 | 3b6a832 |
13 | 25b6338 |
14 | 18021ca |
15 | 108c845 |
hex | b4a226 |
11837990 has 8 divisors (see below), whose sum is σ = 21308400. Its totient is φ = 4735192.
The previous prime is 11837963. The next prime is 11838011. The reversal of 11837990 is 9973811.
It is a sphenic number, since it is the product of 3 distinct primes.
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, 591890 + ... + 591909.
It is an arithmetic number, because the mean of its divisors is an integer number (2663550).
Almost surely, 211837990 is an apocalyptic number.
11837990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
11837990 is a deficient number, since it is larger than the sum of its proper divisors (9470410).
11837990 is a wasteful number, since it uses less digits than its factorization.
11837990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1183806.
The product of its (nonzero) digits is 13608, while the sum is 38.
The square root of 11837990 is about 3440.6380222279. The cubic root of 11837990 is about 227.9078703388.
The spelling of 11837990 in words is "eleven million, eight hundred thirty-seven thousand, nine hundred ninety".
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