Base | Representation |
---|---|
bin | 110010111000… |
… | …1101011101101 |
3 | 1212012111010211 |
4 | 1211301223231 |
5 | 23312230140 |
6 | 2351502421 |
7 | 442530250 |
oct | 145615355 |
9 | 55174124 |
10 | 26680045 |
11 | 14073127 |
12 | 8b27a11 |
13 | 56b1b12 |
14 | 3787097 |
15 | 25202ea |
hex | 1971aed |
26680045 has 16 divisors (see below), whose sum is σ = 36747648. Its totient is φ = 18216000.
The previous prime is 26680019. The next prime is 26680051. The reversal of 26680045 is 54008662.
It is not a de Polignac number, because 26680045 - 29 = 26679533 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 26679989 and 26680016.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7267 + ... + 10303.
It is an arithmetic number, because the mean of its divisors is an integer number (2296728).
Almost surely, 226680045 is an apocalyptic number.
It is an amenable number.
26680045 is a deficient number, since it is larger than the sum of its proper divisors (10067603).
26680045 is a wasteful number, since it uses less digits than its factorization.
26680045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3300.
The product of its (nonzero) digits is 11520, while the sum is 31.
The square root of 26680045 is about 5165.2729840735. The cubic root of 26680045 is about 298.8102695232.
The spelling of 26680045 in words is "twenty-six million, six hundred eighty thousand, forty-five".
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