Base | Representation |
---|---|
bin | 1110011110110101… |
… | …1100001100100000 |
3 | 101000220220212022120 |
4 | 3213231130030200 |
5 | 30430141330424 |
6 | 1441425304240 |
7 | 165222525105 |
oct | 34755341440 |
9 | 11026825276 |
10 | 3887448864 |
11 | 17153aa962 |
12 | 905a95080 |
13 | 49c505100 |
14 | 28c416aac |
15 | 17b441a79 |
hex | e7b5c320 |
3887448864 has 72 divisors (see below), whose sum is σ = 11049946992. Its totient is φ = 1196133120.
The previous prime is 3887448863. The next prime is 3887448883. The reversal of 3887448864 is 4688447883.
3887448864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×38874488642 = 30224517340429780992, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 3887448798 and 3887448807.
It is not an unprimeable number, because it can be changed into a prime (3887448863) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103582 + ... + 136029.
It is an arithmetic number, because the mean of its divisors is an integer number (153471486).
Almost surely, 23887448864 is an apocalyptic number.
It is an amenable number.
3887448864 is an abundant number, since it is smaller than the sum of its proper divisors (7162498128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3887448864 is a wasteful number, since it uses less digits than its factorization.
3887448864 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 239650 (or 239629 counting only the distinct ones).
The product of its digits is 33030144, while the sum is 60.
The square root of 3887448864 is about 62349.4094919912. The cubic root of 3887448864 is about 1572.3705333781.
The spelling of 3887448864 in words is "three billion, eight hundred eighty-seven million, four hundred forty-eight thousand, eight hundred sixty-four".
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