Base | Representation |
---|---|
bin | 1111111110001110110101 |
3 | 21212201120100 |
4 | 33332032311 |
5 | 2032441221 |
6 | 225424313 |
7 | 50406114 |
oct | 17761665 |
9 | 7781510 |
10 | 4187061 |
11 | 23aa88a |
12 | 149b099 |
13 | b37a68 |
14 | 7adc7b |
15 | 57a926 |
hex | 3fe3b5 |
4187061 has 12 divisors (see below), whose sum is σ = 6131788. Its totient is φ = 2752704.
The previous prime is 4187059. The next prime is 4187069. The reversal of 4187061 is 1607814.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 2954961 + 1232100 = 1719^2 + 1110^2 .
It is not a de Polignac number, because 4187061 - 21 = 4187059 is a prime.
It is an Ulam number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4187069) 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, 2530 + ... + 3843.
Almost surely, 24187061 is an apocalyptic number.
It is an amenable number.
4187061 is a deficient number, since it is larger than the sum of its proper divisors (1944727).
4187061 is a wasteful number, since it uses less digits than its factorization.
4187061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6452 (or 6449 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 27.
The square root of 4187061 is about 2046.2309253845. The cubic root of 4187061 is about 161.1770104133.
The spelling of 4187061 in words is "four million, one hundred eighty-seven thousand, sixty-one".
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