Base | Representation |
---|---|
bin | 1110011110110101… |
… | …1011110011100100 |
3 | 101000220220210010110 |
4 | 3213231123303210 |
5 | 30430141303033 |
6 | 1441425253020 |
7 | 165222520335 |
oct | 34755336344 |
9 | 11026823113 |
10 | 3887447268 |
11 | 17153a9741 |
12 | 905a94170 |
13 | 49c504473 |
14 | 28c41628c |
15 | 17b441363 |
hex | e7b5bce4 |
3887447268 has 48 divisors (see below), whose sum is σ = 9285212160. Its totient is φ = 1265301024.
The previous prime is 3887447251. The next prime is 3887447269. The reversal of 3887447268 is 8627447883.
It is a super-2 number, since 2×38874472682 = 30224492522961327648, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (3887447269) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242073 + ... + 257631.
It is an arithmetic number, because the mean of its divisors is an integer number (193441920).
Almost surely, 23887447268 is an apocalyptic number.
It is an amenable number.
3887447268 is an abundant number, since it is smaller than the sum of its proper divisors (5397764892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3887447268 is a wasteful number, since it uses less digits than its factorization.
3887447268 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16056 (or 16054 counting only the distinct ones).
The product of its digits is 14450688, while the sum is 57.
The square root of 3887447268 is about 62349.3966931517. The cubic root of 3887447268 is about 1572.3703181981.
The spelling of 3887447268 in words is "three billion, eight hundred eighty-seven million, four hundred forty-seven thousand, two hundred sixty-eight".
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