Base | Representation |
---|---|
bin | 110011010001… |
… | …0101100101110 |
3 | 1212120200112201 |
4 | 1212202230232 |
5 | 23340141224 |
6 | 2400052114 |
7 | 444324502 |
oct | 146425456 |
9 | 55520481 |
10 | 26880814 |
11 | 1419aa54 |
12 | 900403a |
13 | 575230c |
14 | 37da302 |
15 | 255ea44 |
hex | 19a2b2e |
26880814 has 4 divisors (see below), whose sum is σ = 40321224. Its totient is φ = 13440406.
The previous prime is 26880811. The next prime is 26880827. The reversal of 26880814 is 41808862.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41808862 = 2 ⋅20904431.
It is a super-2 number, since 2×268808142 = 1445156322605192, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (26880811) 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 as a sum of consecutive naturals, namely, 6720202 + ... + 6720205.
It is an arithmetic number, because the mean of its divisors is an integer number (10080306).
Almost surely, 226880814 is an apocalyptic number.
26880814 is a deficient number, since it is larger than the sum of its proper divisors (13440410).
26880814 is a wasteful number, since it uses less digits than its factorization.
26880814 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13440409.
The product of its (nonzero) digits is 24576, while the sum is 37.
The square root of 26880814 is about 5184.6710599613. The cubic root of 26880814 is about 299.5579192390.
The spelling of 26880814 in words is "twenty-six million, eight hundred eighty thousand, eight hundred fourteen".
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