Base | Representation |
---|---|
bin | 1001101010101… |
… | …0011111111001 |
3 | 2211021212020212 |
4 | 2122222133321 |
5 | 40334403444 |
6 | 4005000505 |
7 | 1001422544 |
oct | 232523771 |
9 | 84255225 |
10 | 40544249 |
11 | 20982549 |
12 | 116b3135 |
13 | 85274a5 |
14 | 555585b |
15 | 385d19e |
hex | 26aa7f9 |
40544249 has 8 divisors (see below), whose sum is σ = 41952000. Its totient is φ = 39142800.
The previous prime is 40544219. The next prime is 40544261. The reversal of 40544249 is 94244504.
40544249 = T127 + T128 + ... + T625.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 40544249 - 224 = 23767033 is a prime.
It is a super-2 number, since 2×405442492 = 3287672253948002, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (40544209) 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, 14159 + ... + 16779.
It is an arithmetic number, because the mean of its divisors is an integer number (5244000).
Almost surely, 240544249 is an apocalyptic number.
It is an amenable number.
40544249 is a deficient number, since it is larger than the sum of its proper divisors (1407751).
40544249 is a wasteful number, since it uses less digits than its factorization.
40544249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3151.
The product of its (nonzero) digits is 23040, while the sum is 32.
The square root of 40544249 is about 6367.4366113845. The cubic root of 40544249 is about 343.5392950490.
The spelling of 40544249 in words is "forty million, five hundred forty-four thousand, two hundred forty-nine".
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