Base | Representation |
---|---|
bin | 1110011110110011… |
… | …0000010110000001 |
3 | 101000220120201221011 |
4 | 3213230300112001 |
5 | 30430120103444 |
6 | 1441421400521 |
7 | 165221146333 |
oct | 34754602601 |
9 | 11026521834 |
10 | 3887269249 |
11 | 1715297a16 |
12 | 905a09141 |
13 | 49c471426 |
14 | 28c3ab453 |
15 | 17b408734 |
hex | e7b30581 |
3887269249 has 4 divisors (see below), whose sum is σ = 4115932164. Its totient is φ = 3658606336.
The previous prime is 3887269219. The next prime is 3887269271. The reversal of 3887269249 is 9429627883.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1042967025 + 2844302224 = 32295^2 + 53332^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3887269249 is a prime.
It is a super-2 number, since 2×38872692492 = 30221724428442048002, which contains 22 as substring.
It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3887269193 and 3887269202.
It is not an unprimeable number, because it can be changed into a prime (3887269219) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114331432 + ... + 114331465.
It is an arithmetic number, because the mean of its divisors is an integer number (1028983041).
Almost surely, 23887269249 is an apocalyptic number.
It is an amenable number.
3887269249 is a deficient number, since it is larger than the sum of its proper divisors (228662915).
3887269249 is a wasteful number, since it uses less digits than its factorization.
3887269249 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 228662914.
The product of its digits is 10450944, while the sum is 58.
The square root of 3887269249 is about 62347.9690848066. The cubic root of 3887269249 is about 1572.3463164950.
The spelling of 3887269249 in words is "three billion, eight hundred eighty-seven million, two hundred sixty-nine thousand, two hundred forty-nine".
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