Base | Representation |
---|---|
bin | 110011001000… |
… | …0100011011110 |
3 | 1212102220121010 |
4 | 1212100203132 |
5 | 23330301434 |
6 | 2354320050 |
7 | 443565021 |
oct | 146204336 |
9 | 55386533 |
10 | 26806494 |
11 | 1414a130 |
12 | 8b89026 |
13 | 5727540 |
14 | 37bb1b8 |
15 | 25479e9 |
hex | 19908de |
26806494 has 64 divisors (see below), whose sum is σ = 63705600. Its totient is φ = 7413120.
The previous prime is 26806489. The next prime is 26806513. The reversal of 26806494 is 49460862.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134607 + ... + 134805.
It is an arithmetic number, because the mean of its divisors is an integer number (995400).
Almost surely, 226806494 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 26806494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31852800).
26806494 is an abundant number, since it is smaller than the sum of its proper divisors (36899106).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26806494 is a wasteful number, since it uses less digits than its factorization.
26806494 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 385.
The product of its (nonzero) digits is 82944, while the sum is 39.
The square root of 26806494 is about 5177.4988169965. The cubic root of 26806494 is about 299.2815921181.
The spelling of 26806494 in words is "twenty-six million, eight hundred six thousand, four hundred ninety-four".
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