Base | Representation |
---|---|
bin | 1111100000101010001010 |
3 | 21122120102000 |
4 | 33200222022 |
5 | 2020102210 |
6 | 223051430 |
7 | 46363011 |
oct | 17405212 |
9 | 7576360 |
10 | 4065930 |
11 | 2327880 |
12 | 1440b76 |
13 | ac489b |
14 | 77ba78 |
15 | 554ac0 |
hex | 3e0a8a |
4065930 has 96 divisors (see below), whose sum is σ = 12156480. Its totient is φ = 959040.
The previous prime is 4065913. The next prime is 4065937. The reversal of 4065930 is 395604.
It is a happy number.
4065930 is a `hidden beast` number, since 4 + 0 + 659 + 3 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 4065894 and 4065903.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4065937) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109872 + ... + 109908.
It is an arithmetic number, because the mean of its divisors is an integer number (126630).
Almost surely, 24065930 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 4065930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6078240).
4065930 is an abundant number, since it is smaller than the sum of its proper divisors (8090550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4065930 is a wasteful number, since it uses less digits than its factorization.
4065930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101 (or 58 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 27.
The square root of 4065930 is about 2016.4151358289. The cubic root of 4065930 is about 159.6075014847.
It can be divided in two parts, 406 and 5930, that added together give a palindrome (6336).
The spelling of 4065930 in words is "four million, sixty-five thousand, nine hundred thirty".
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