Base | Representation |
---|---|
bin | 101101101100… |
… | …100010110110 |
3 | 211112121000020 |
4 | 231230202312 |
5 | 11031311214 |
6 | 1104430010 |
7 | 203551002 |
oct | 55544266 |
9 | 24477006 |
10 | 11978934 |
11 | 6841a50 |
12 | 4018306 |
13 | 2635536 |
14 | 183b702 |
15 | 10b94a9 |
hex | b6c8b6 |
11978934 has 16 divisors (see below), whose sum is σ = 26136000. Its totient is φ = 3629960.
The previous prime is 11978921. The next prime is 11978959. The reversal of 11978934 is 43987911.
It is a happy number.
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 7 ways as a sum of consecutive naturals, for example, 90684 + ... + 90815.
It is an arithmetic number, because the mean of its divisors is an integer number (1633500).
Almost surely, 211978934 is an apocalyptic number.
11978934 is an abundant number, since it is smaller than the sum of its proper divisors (14157066).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11978934 is a wasteful number, since it uses less digits than its factorization.
11978934 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 181515.
The product of its digits is 54432, while the sum is 42.
The square root of 11978934 is about 3461.0596643225. The cubic root of 11978934 is about 228.8088003160.
The spelling of 11978934 in words is "eleven million, nine hundred seventy-eight thousand, nine hundred thirty-four".
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