Base | Representation |
---|---|
bin | 1101101010001000000100 |
3 | 20201220102011 |
4 | 31222020010 |
5 | 1404033140 |
6 | 204424004 |
7 | 42301354 |
oct | 15521004 |
9 | 6656364 |
10 | 3580420 |
11 | 2026028 |
12 | 1248004 |
13 | 9848bc |
14 | 692b64 |
15 | 4aacea |
hex | 36a204 |
3580420 has 12 divisors (see below), whose sum is σ = 7518924. Its totient is φ = 1432160.
The previous prime is 3580411. The next prime is 3580429. The reversal of 3580420 is 240853.
It is an interprime number because it is at equal distance from previous prime (3580411) and next prime (3580429).
It can be written as a sum of positive squares in 2 ways, for example, as 1065024 + 2515396 = 1032^2 + 1586^2 .
It is an Ulam number.
It is a junction number, because it is equal to n+sod(n) for n = 3580391 and 3580400.
It is not an unprimeable number, because it can be changed into a prime (3580429) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89491 + ... + 89530.
It is an arithmetic number, because the mean of its divisors is an integer number (626577).
Almost surely, 23580420 is an apocalyptic number.
It is an amenable number.
3580420 is an abundant number, since it is smaller than the sum of its proper divisors (3938504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3580420 is a wasteful number, since it uses less digits than its factorization.
3580420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 179030 (or 179028 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 3580420 is about 1892.1997780361. The cubic root of 3580420 is about 152.9835230807.
The spelling of 3580420 in words is "three million, five hundred eighty thousand, four hundred twenty".
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