Base | Representation |
---|---|
bin | 1110110001000101101000 |
3 | 21021200010100 |
4 | 32301011220 |
5 | 1442333310 |
6 | 214545400 |
7 | 44621643 |
oct | 16610550 |
9 | 7250110 |
10 | 3871080 |
11 | 2204444 |
12 | 1368260 |
13 | a56ca5 |
14 | 72aa5a |
15 | 516ec0 |
hex | 3b1168 |
3871080 has 48 divisors (see below), whose sum is σ = 12582180. Its totient is φ = 1032192.
The previous prime is 3871073. The next prime is 3871081. The reversal of 3871080 is 801783.
It can be written as a sum of positive squares in 2 ways, for example, as 3709476 + 161604 = 1926^2 + 402^2 .
It is not an unprimeable number, because it can be changed into a prime (3871081) 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, 5017 + ... + 5736.
Almost surely, 23871080 is an apocalyptic number.
3871080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
3871080 is an abundant number, since it is smaller than the sum of its proper divisors (8711100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3871080 is a wasteful number, since it uses less digits than its factorization.
3871080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10770 (or 10763 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 27.
The square root of 3871080 is about 1967.5060355689. The cubic root of 3871080 is about 157.0160503964.
The spelling of 3871080 in words is "three million, eight hundred seventy-one thousand, eighty".
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