Base | Representation |
---|---|
bin | 110010010100… |
… | …0101011111001 |
3 | 1211122021222220 |
4 | 1210220223321 |
5 | 23223143144 |
6 | 2341234253 |
7 | 440143452 |
oct | 144505371 |
9 | 54567886 |
10 | 26381049 |
11 | 13989522 |
12 | 8a02989 |
13 | 56089b6 |
14 | 370a129 |
15 | 24b1919 |
hex | 1928af9 |
26381049 has 8 divisors (see below), whose sum is σ = 35700000. Its totient is φ = 17324736.
The previous prime is 26381041. The next prime is 26381071. The reversal of 26381049 is 94018362.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 26381049 - 23 = 26381041 is a prime.
It is not an unprimeable number, because it can be changed into a prime (26381041) 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 7 ways as a sum of consecutive naturals, for example, 65424 + ... + 65825.
It is an arithmetic number, because the mean of its divisors is an integer number (4462500).
Almost surely, 226381049 is an apocalyptic number.
It is an amenable number.
26381049 is a deficient number, since it is larger than the sum of its proper divisors (9318951).
26381049 is a wasteful number, since it uses less digits than its factorization.
26381049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 131319.
The product of its (nonzero) digits is 10368, while the sum is 33.
The square root of 26381049 is about 5136.2485337063. The cubic root of 26381049 is about 297.6898451669.
The spelling of 26381049 in words is "twenty-six million, three hundred eighty-one thousand, forty-nine".
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