Base | Representation |
---|---|
bin | 110011011001… |
… | …0011101000001 |
3 | 1212200222001202 |
4 | 1212302131001 |
5 | 23344222340 |
6 | 2401310545 |
7 | 445013600 |
oct | 146623501 |
9 | 55628052 |
10 | 26945345 |
11 | 14234489 |
12 | 9035455 |
13 | 57757bb |
14 | 3815a37 |
15 | 2573c15 |
hex | 19b2741 |
26945345 has 24 divisors (see below), whose sum is σ = 37996200. Its totient is φ = 18289152.
The previous prime is 26945341. The next prime is 26945353. The reversal of 26945345 is 54354962.
It can be written as a sum of positive squares in 4 ways, for example, as 2729104 + 24216241 = 1652^2 + 4921^2 .
It is not a de Polignac number, because 26945345 - 22 = 26945341 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 26945299 and 26945308.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (26945341) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26201 + ... + 27209.
It is an arithmetic number, because the mean of its divisors is an integer number (1583175).
Almost surely, 226945345 is an apocalyptic number.
It is an amenable number.
26945345 is a deficient number, since it is larger than the sum of its proper divisors (11050855).
26945345 is a wasteful number, since it uses less digits than its factorization.
26945345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1137 (or 1130 counting only the distinct ones).
The product of its digits is 129600, while the sum is 38.
The square root of 26945345 is about 5190.8905786965. The cubic root of 26945345 is about 299.7974373327.
The spelling of 26945345 in words is "twenty-six million, nine hundred forty-five thousand, three hundred forty-five".
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