Base | Representation |
---|---|
bin | 1110011010111010… |
… | …1100011101100100 |
3 | 100222202222012021221 |
4 | 3212232230131210 |
5 | 30411434003140 |
6 | 1440040550124 |
7 | 164632650340 |
oct | 34656543544 |
9 | 10882865257 |
10 | 3871000420 |
11 | 1707095a01 |
12 | 900482344 |
13 | 498c963c1 |
14 | 28a174620 |
15 | 179c9314a |
hex | e6bac764 |
3871000420 has 24 divisors (see below), whose sum is σ = 9290401344. Its totient is φ = 1327200096.
The previous prime is 3871000409. The next prime is 3871000423. The reversal of 3871000420 is 240001783.
It is not an unprimeable number, because it can be changed into a prime (3871000423) 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, 13824862 + ... + 13825141.
It is an arithmetic number, because the mean of its divisors is an integer number (387100056).
Almost surely, 23871000420 is an apocalyptic number.
It is an amenable number.
3871000420 is an abundant number, since it is smaller than the sum of its proper divisors (5419400924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3871000420 is a wasteful number, since it uses less digits than its factorization.
3871000420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27650019 (or 27650017 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 25.
The square root of 3871000420 is about 62217.3642964727. The cubic root of 3871000420 is about 1570.1497443280.
The spelling of 3871000420 in words is "three billion, eight hundred seventy-one million, four hundred twenty", and thus it is an aban number.
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