Base | Representation |
---|---|
bin | 110001110111… |
… | …1001000100011 |
3 | 1211012022122000 |
4 | 1203233020203 |
5 | 23143122230 |
6 | 2332215043 |
7 | 435142260 |
oct | 143571043 |
9 | 54168560 |
10 | 26145315 |
11 | 138383a9 |
12 | 890a483 |
13 | 5555601 |
14 | 3688267 |
15 | 2466b60 |
hex | 18ef223 |
26145315 has 64 divisors (see below), whose sum is σ = 53990400. Its totient is φ = 11757312.
The previous prime is 26145313. The next prime is 26145323. The reversal of 26145315 is 51354162.
It is not a de Polignac number, because 26145315 - 21 = 26145313 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (26145313) 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 63 ways as a sum of consecutive naturals, for example, 68796 + ... + 69174.
It is an arithmetic number, because the mean of its divisors is an integer number (843600).
Almost surely, 226145315 is an apocalyptic number.
26145315 is an abundant number, since it is smaller than the sum of its proper divisors (27845085).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26145315 is a wasteful number, since it uses less digits than its factorization.
26145315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 473 (or 467 counting only the distinct ones).
The product of its digits is 3600, while the sum is 27.
The square root of 26145315 is about 5113.2489671441. The cubic root of 26145315 is about 296.8004986091.
Adding to 26145315 its reverse (51354162), we get a palindrome (77499477).
The spelling of 26145315 in words is "twenty-six million, one hundred forty-five thousand, three hundred fifteen".
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