Base | Representation |
---|---|
bin | 1001101110100… |
… | …0111100010111 |
3 | 2211202212002222 |
4 | 2123220330113 |
5 | 40421100043 |
6 | 4014252555 |
7 | 1003536335 |
oct | 233507427 |
9 | 84685088 |
10 | 40800023 |
11 | 21037730 |
12 | 117b715b |
13 | 85b6a34 |
14 | 55c0b55 |
15 | 38add68 |
hex | 26e8f17 |
40800023 has 8 divisors (see below), whose sum is σ = 44610816. Its totient is φ = 37006200.
The previous prime is 40799989. The next prime is 40800073. The reversal of 40800023 is 32000804.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 40800023 - 26 = 40799959 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 40799974 and 40800010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40800073) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1088 + ... + 9098.
It is an arithmetic number, because the mean of its divisors is an integer number (5576352).
Almost surely, 240800023 is an apocalyptic number.
40800023 is a deficient number, since it is larger than the sum of its proper divisors (3810793).
40800023 is a wasteful number, since it uses less digits than its factorization.
40800023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8485.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 40800023 is about 6387.4895694631. The cubic root of 40800023 is about 344.2601888347.
Adding to 40800023 its reverse (32000804), we get a palindrome (72800827).
The spelling of 40800023 in words is "forty million, eight hundred thousand, twenty-three".
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