Base | Representation |
---|---|
bin | 101101011001… |
… | …100000101111 |
3 | 211101122001212 |
4 | 231121200233 |
5 | 11021312400 |
6 | 1103025035 |
7 | 203104502 |
oct | 55314057 |
9 | 24348055 |
10 | 11900975 |
11 | 6799419 |
12 | 3b9b17b |
13 | 2608bc8 |
14 | 181b139 |
15 | 10a1335 |
hex | b5982f |
11900975 has 6 divisors (see below), whose sum is σ = 14757240. Its totient is φ = 9520760.
The previous prime is 11900963. The next prime is 11900989. The reversal of 11900975 is 57900911.
It is not a de Polignac number, because 11900975 - 212 = 11896879 is a prime.
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 5 ways as a sum of consecutive naturals, for example, 237995 + ... + 238044.
It is an arithmetic number, because the mean of its divisors is an integer number (2459540).
Almost surely, 211900975 is an apocalyptic number.
11900975 is a deficient number, since it is larger than the sum of its proper divisors (2856265).
11900975 is an equidigital number, since it uses as much as digits as its factorization.
11900975 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 476049 (or 476044 counting only the distinct ones).
The product of its (nonzero) digits is 2835, while the sum is 32.
The square root of 11900975 is about 3449.7789784275. The cubic root of 11900975 is about 228.3113564489.
The spelling of 11900975 in words is "eleven million, nine hundred thousand, nine hundred seventy-five".
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