Base | Representation |
---|---|
bin | 111110111000… |
… | …111000011001 |
3 | 1011000120102101 |
4 | 332320320121 |
5 | 13210022123 |
6 | 1345203401 |
7 | 260061613 |
oct | 76707031 |
9 | 34016371 |
10 | 16485913 |
11 | 9340124 |
12 | 5630561 |
13 | 3552aa2 |
14 | 2291db3 |
15 | 16a9aad |
hex | fb8e19 |
16485913 has 2 divisors, whose sum is σ = 16485914. Its totient is φ = 16485912.
The previous prime is 16485907. The next prime is 16485919. The reversal of 16485913 is 31958461.
It is a balanced prime because it is at equal distance from previous prime (16485907) and next prime (16485919).
It can be written as a sum of positive squares in only one way, i.e., 12902464 + 3583449 = 3592^2 + 1893^2 .
It is an emirp because it is prime and its reverse (31958461) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 16485913 - 25 = 16485881 is a prime.
It is not a weakly prime, because it can be changed into another prime (16485919) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8242956 + 8242957.
It is an arithmetic number, because the mean of its divisors is an integer number (8242957).
Almost surely, 216485913 is an apocalyptic number.
It is an amenable number.
16485913 is a deficient number, since it is larger than the sum of its proper divisors (1).
16485913 is an equidigital number, since it uses as much as digits as its factorization.
16485913 is an evil number, because the sum of its binary digits is even.
The product of its digits is 25920, while the sum is 37.
The square root of 16485913 is about 4060.2848422247. The cubic root of 16485913 is about 254.5096973698.
The spelling of 16485913 in words is "sixteen million, four hundred eighty-five thousand, nine hundred thirteen".
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