Base | Representation |
---|---|
bin | 110010010111… |
… | …1010011111110 |
3 | 1211200200020010 |
4 | 1210233103332 |
5 | 23230030230 |
6 | 2342004050 |
7 | 440315544 |
oct | 144572376 |
9 | 54620203 |
10 | 26408190 |
11 | 139a7956 |
12 | 8a16626 |
13 | 5618163 |
14 | 3715d94 |
15 | 24b99b0 |
hex | 192f4fe |
26408190 has 32 divisors (see below), whose sum is σ = 63722016. Its totient is φ = 7004160.
The previous prime is 26408171. The next prime is 26408197. The reversal of 26408190 is 9180462.
It is a super-2 number, since 2×264081902 = 1394784998152200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (26408197) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3510 + ... + 8070.
It is an arithmetic number, because the mean of its divisors is an integer number (1991313).
Almost surely, 226408190 is an apocalyptic number.
26408190 is an abundant number, since it is smaller than the sum of its proper divisors (37313826).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26408190 is a wasteful number, since it uses less digits than its factorization.
26408190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4764.
The product of its (nonzero) digits is 3456, while the sum is 30.
The square root of 26408190 is about 5138.8899579578. The cubic root of 26408190 is about 297.7918986130.
The spelling of 26408190 in words is "twenty-six million, four hundred eight thousand, one hundred ninety".
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