Base | Representation |
---|---|
bin | 1110101010101110… |
… | …0011011100000010 |
3 | 101011101200211212100 |
4 | 3222223203130002 |
5 | 31030421122030 |
6 | 1450405411230 |
7 | 166366243416 |
oct | 35253433402 |
9 | 11141624770 |
10 | 3937285890 |
11 | 174054a18a |
12 | 91a709b16 |
13 | 4a9934285 |
14 | 294caad46 |
15 | 1809d8360 |
hex | eaae3702 |
3937285890 has 48 divisors (see below), whose sum is σ = 10246275000. Its totient is φ = 1048985856.
The previous prime is 3937285871. The next prime is 3937285897. The reversal of 3937285890 is 985827393.
It is a happy number.
3937285890 is a `hidden beast` number, since 3 + 9 + 37 + 28 + 589 + 0 = 666.
3937285890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 2277293841 + 1659992049 = 47721^2 + 40743^2 .
It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (3937285897) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82236 + ... + 120984.
Almost surely, 23937285890 is an apocalyptic number.
3937285890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
3937285890 is an abundant number, since it is smaller than the sum of its proper divisors (6308989110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3937285890 is a wasteful number, since it uses less digits than its factorization.
3937285890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39891 (or 39888 counting only the distinct ones).
The product of its (nonzero) digits is 3265920, while the sum is 54.
The square root of 3937285890 is about 62747.7958975453. The cubic root of 3937285890 is about 1579.0612767629.
The spelling of 3937285890 in words is "three billion, nine hundred thirty-seven million, two hundred eighty-five thousand, eight hundred ninety".
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