Base | Representation |
---|---|
bin | 1110001100010010000101 |
3 | 21000000022211 |
4 | 32030102011 |
5 | 1423022300 |
6 | 211423421 |
7 | 43423300 |
oct | 16142205 |
9 | 7000284 |
10 | 3720325 |
11 | 2111154 |
12 | 12b4b71 |
13 | a0349b |
14 | 6cbb37 |
15 | 4d74ba |
hex | 38c485 |
3720325 has 18 divisors (see below), whose sum is σ = 5368146. Its totient is φ = 2550240.
The previous prime is 3720293. The next prime is 3720337. The reversal of 3720325 is 5230273.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 682276 + 3038049 = 826^2 + 1743^2 .
It is not a de Polignac number, because 3720325 - 25 = 3720293 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 3720296 and 3720305.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 294 + ... + 2743.
Almost surely, 23720325 is an apocalyptic number.
3720325 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
3720325 is a deficient number, since it is larger than the sum of its proper divisors (1647821).
3720325 is a wasteful number, since it uses less digits than its factorization.
3720325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3061 (or 3049 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 22.
The square root of 3720325 is about 1928.8144026837. The cubic root of 3720325 is about 154.9507300912.
Adding to 3720325 its reverse (5230273), we get a palindrome (8950598).
The spelling of 3720325 in words is "three million, seven hundred twenty thousand, three hundred twenty-five".
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