Base | Representation |
---|---|
bin | 101101011100… |
… | …101010110100 |
3 | 211102021210212 |
4 | 231130222310 |
5 | 11022221113 |
6 | 1103204552 |
7 | 203160266 |
oct | 55345264 |
9 | 24367725 |
10 | 11913908 |
11 | 67a8106 |
12 | 3ba6758 |
13 | 2611a66 |
14 | 1821b36 |
15 | 10a50a8 |
hex | b5cab4 |
11913908 has 12 divisors (see below), whose sum is σ = 21756000. Its totient is φ = 5697912.
The previous prime is 11913899. The next prime is 11913953. The reversal of 11913908 is 80931911.
It is a super-3 number, since 3×119139083 (a number of 22 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 64658 + ... + 64841.
It is an arithmetic number, because the mean of its divisors is an integer number (1813000).
Almost surely, 211913908 is an apocalyptic number.
It is an amenable number.
11913908 is a deficient number, since it is larger than the sum of its proper divisors (9842092).
11913908 is a wasteful number, since it uses less digits than its factorization.
11913908 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129526 (or 129524 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 32.
The square root of 11913908 is about 3451.6529373620. The cubic root of 11913908 is about 228.3940298381.
It can be divided in two parts, 11913 and 908, that added together give a palindrome (12821).
The spelling of 11913908 in words is "eleven million, nine hundred thirteen thousand, nine hundred eight".
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