Base | Representation |
---|---|
bin | 110010111000… |
… | …1110001010100 |
3 | 1212012111122010 |
4 | 1211301301110 |
5 | 23312233104 |
6 | 2351504220 |
7 | 442531302 |
oct | 145616124 |
9 | 55174563 |
10 | 26680404 |
11 | 14073423 |
12 | 8b28070 |
13 | 56b202a |
14 | 3787272 |
15 | 2520489 |
hex | 1971c54 |
26680404 has 24 divisors (see below), whose sum is σ = 63937888. Its totient is φ = 8652960.
The previous prime is 26680403. The next prime is 26680411. The reversal of 26680404 is 40408662.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (26680403) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29602 + ... + 30489.
Almost surely, 226680404 is an apocalyptic number.
It is an amenable number.
26680404 is an abundant number, since it is smaller than the sum of its proper divisors (37257484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26680404 is a wasteful number, since it uses less digits than its factorization.
26680404 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60135 (or 60133 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 30.
The square root of 26680404 is about 5165.3077352661. The cubic root of 26680404 is about 298.8116097559.
The spelling of 26680404 in words is "twenty-six million, six hundred eighty thousand, four hundred four".
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