Base | Representation |
---|---|
bin | 111110100101010… |
… | …000100001101001 |
3 | 2201011200012200100 |
4 | 332211100201221 |
5 | 4122242020114 |
6 | 252104100013 |
7 | 35006315400 |
oct | 7645204151 |
9 | 2634605610 |
10 | 1049954409 |
11 | 499743319 |
12 | 253764609 |
13 | 1396aa8ca |
14 | 9d632637 |
15 | 6229c909 |
hex | 3e950869 |
1049954409 has 27 divisors (see below), whose sum is σ = 1765353213. Its totient is φ = 599585112.
The previous prime is 1049954377. The next prime is 1049954441. The reversal of 1049954409 is 9044599401.
The square root of 1049954409 is 32403.
It is a perfect power (a square), and thus also a powerful number.
1049954409 is a `hidden beast` number, since 10 + 4 + 99 + 544 + 0 + 9 = 666.
It is an interprime number because it is at equal distance from previous prime (1049954377) and next prime (1049954441).
It is not a de Polignac number, because 1049954409 - 25 = 1049954377 is a prime.
It is a super-2 number, since 2×10499544092 = 2204808521957078562, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1049954909) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 679692 + ... + 681234.
Almost surely, 21049954409 is an apocalyptic number.
1049954409 is the 32403-rd square number.
1049954409 is the 16202-nd centered octagonal number.
It is an amenable number.
1049954409 is a deficient number, since it is larger than the sum of its proper divisors (715398804).
1049954409 is an frugal number, since it uses more digits than its factorization.
1049954409 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3106 (or 1553 counting only the distinct ones).
The product of its (nonzero) digits is 233280, while the sum is 45.
The cubic root of 1049954409 is about 1016.3816459587.
The spelling of 1049954409 in words is "one billion, forty-nine million, nine hundred fifty-four thousand, four hundred nine".
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