Base | Representation |
---|---|
bin | 1101111000111010111100 |
3 | 20211222112121 |
4 | 31320322330 |
5 | 1413003040 |
6 | 210012324 |
7 | 42643135 |
oct | 15707274 |
9 | 6758477 |
10 | 3641020 |
11 | 2067609 |
12 | 12770a4 |
13 | 9a6366 |
14 | 6aac8c |
15 | 4bdc4a |
hex | 378ebc |
3641020 has 24 divisors (see below), whose sum is σ = 7683984. Its totient is φ = 1449216.
The previous prime is 3640999. The next prime is 3641041. The reversal of 3641020 is 201463.
It is an interprime number because it is at equal distance from previous prime (3640999) and next prime (3641041).
It is a junction number, because it is equal to n+sod(n) for n = 3640985 and 3641003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5844 + ... + 6436.
It is an arithmetic number, because the mean of its divisors is an integer number (320166).
Almost surely, 23641020 is an apocalyptic number.
It is an amenable number.
3641020 is an abundant number, since it is smaller than the sum of its proper divisors (4042964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3641020 is a wasteful number, since it uses less digits than its factorization.
3641020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 909 (or 907 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 3641020 is about 1908.1456967433. The cubic root of 3641020 is about 153.8418007743.
Adding to 3641020 its reverse (201463), we get a palindrome (3842483).
The spelling of 3641020 in words is "three million, six hundred forty-one thousand, twenty".
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