Base | Representation |
---|---|
bin | 101101101011… |
… | …000101010110 |
3 | 211112021210121 |
4 | 231223011112 |
5 | 11031113300 |
6 | 1104342154 |
7 | 203524363 |
oct | 55530526 |
9 | 24467717 |
10 | 11972950 |
11 | 6838500 |
12 | 401495a |
13 | 26328b2 |
14 | 183946a |
15 | 10b781a |
hex | b6b156 |
11972950 has 36 divisors (see below), whose sum is σ = 24490620. Its totient is φ = 4351600.
The previous prime is 11972899. The next prime is 11972953. The reversal of 11972950 is 5927911.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11972953) 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 17 ways as a sum of consecutive naturals, for example, 5061 + ... + 7039.
It is an arithmetic number, because the mean of its divisors is an integer number (680295).
Almost surely, 211972950 is an apocalyptic number.
11972950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
11972950 is an abundant number, since it is smaller than the sum of its proper divisors (12517670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11972950 is a wasteful number, since it uses less digits than its factorization.
11972950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2013 (or 1997 counting only the distinct ones).
The product of its (nonzero) digits is 5670, while the sum is 34.
The square root of 11972950 is about 3460.1950812057. The cubic root of 11972950 is about 228.7706939782.
The spelling of 11972950 in words is "eleven million, nine hundred seventy-two thousand, nine hundred fifty".
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