Base | Representation |
---|---|
bin | 101101011011… |
… | …110101000101 |
3 | 211102010002111 |
4 | 231123311011 |
5 | 11022113334 |
6 | 1103141021 |
7 | 203144254 |
oct | 55336505 |
9 | 24363074 |
10 | 11910469 |
11 | 67a556a |
12 | 3ba4771 |
13 | 261031c |
14 | 182079b |
15 | 10a4064 |
hex | b5bd45 |
11910469 has 2 divisors, whose sum is σ = 11910470. Its totient is φ = 11910468.
The previous prime is 11910467. The next prime is 11910487. The reversal of 11910469 is 96401911.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 9548100 + 2362369 = 3090^2 + 1537^2 .
It is a cyclic number.
It is not a de Polignac number, because 11910469 - 21 = 11910467 is a prime.
It is a super-2 number, since 2×119104692 = 283718543599922, which contains 22 as substring.
Together with 11910467, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 11910469.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (11910467) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5955234 + 5955235.
It is an arithmetic number, because the mean of its divisors is an integer number (5955235).
Almost surely, 211910469 is an apocalyptic number.
It is an amenable number.
11910469 is a deficient number, since it is larger than the sum of its proper divisors (1).
11910469 is an equidigital number, since it uses as much as digits as its factorization.
11910469 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1944, while the sum is 31.
The square root of 11910469 is about 3451.1547342882. The cubic root of 11910469 is about 228.3720520887.
The spelling of 11910469 in words is "eleven million, nine hundred ten thousand, four hundred sixty-nine".
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