Base | Representation |
---|---|
bin | 110010110111… |
… | …0110000000101 |
3 | 1212011212200002 |
4 | 1211232300011 |
5 | 23311334122 |
6 | 2351331045 |
7 | 442450244 |
oct | 145566005 |
9 | 55155602 |
10 | 26668037 |
11 | 14065100 |
12 | 8b20a85 |
13 | 56a9506 |
14 | 378295b |
15 | 251b992 |
hex | 196ec05 |
26668037 has 12 divisors (see below), whose sum is σ = 29438220. Its totient is φ = 24140160.
The previous prime is 26668021. The next prime is 26668051. The reversal of 26668037 is 73086662.
It can be written as a sum of positive squares in 2 ways, for example, as 11930116 + 14737921 = 3454^2 + 3839^2 .
It is not a de Polignac number, because 26668037 - 24 = 26668021 is a prime.
It is a super-2 number, since 2×266680372 = 1422368394866738, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (26668007) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52139 + ... + 52647.
It is an arithmetic number, because the mean of its divisors is an integer number (2453185).
Almost surely, 226668037 is an apocalyptic number.
It is an amenable number.
26668037 is a deficient number, since it is larger than the sum of its proper divisors (2770183).
26668037 is a wasteful number, since it uses less digits than its factorization.
26668037 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 964 (or 953 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 38.
The square root of 26668037 is about 5164.1104751932. The cubic root of 26668037 is about 298.7654338647.
The spelling of 26668037 in words is "twenty-six million, six hundred sixty-eight thousand, thirty-seven".
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