Base | Representation |
---|---|
bin | 110100110000… |
… | …101100101101 |
3 | 222000200111200 |
4 | 310300230231 |
5 | 12020042312 |
6 | 1212240113 |
7 | 225363330 |
oct | 64605455 |
9 | 28020450 |
10 | 13830957 |
11 | 7897448 |
12 | 4770039 |
13 | 2b334ca |
14 | 1ba0617 |
15 | 13330dc |
hex | d30b2d |
13830957 has 36 divisors (see below), whose sum is σ = 23605920. Its totient is φ = 7642080.
The previous prime is 13830953. The next prime is 13830983. The reversal of 13830957 is 75903831.
13830957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13830957 - 22 = 13830953 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13830953) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 226707 + ... + 226767.
It is an arithmetic number, because the mean of its divisors is an integer number (655720).
Almost surely, 213830957 is an apocalyptic number.
It is an amenable number.
13830957 is a deficient number, since it is larger than the sum of its proper divisors (9774963).
13830957 is an equidigital number, since it uses as much as digits as its factorization.
13830957 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194 (or 130 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 36.
The square root of 13830957 is about 3718.9994622210. Note that the first 3 decimals coincide. The cubic root of 13830957 is about 240.0402536648.
The spelling of 13830957 in words is "thirteen million, eight hundred thirty thousand, nine hundred fifty-seven".
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