Base | Representation |
---|---|
bin | 1100010000011011100001 |
3 | 20001020102221 |
4 | 30100123201 |
5 | 1310304100 |
6 | 152511041 |
7 | 36211264 |
oct | 14203341 |
9 | 6036387 |
10 | 3213025 |
11 | 18a4aa2 |
12 | 10ab481 |
13 | 8865ca |
14 | 5d8cdb |
15 | 43701a |
hex | 3106e1 |
3213025 has 6 divisors (see below), whose sum is σ = 3984182. Its totient is φ = 2570400.
The previous prime is 3213011. The next prime is 3213029. The reversal of 3213025 is 5203123.
It can be written as a sum of positive squares in 3 ways, for example, as 258064 + 2954961 = 508^2 + 1719^2 .
It is not a de Polignac number, because 3213025 - 215 = 3180257 is a prime.
It is a Duffinian number.
3213025 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (3213029) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64236 + ... + 64285.
Almost surely, 23213025 is an apocalyptic number.
It is an amenable number.
3213025 is a deficient number, since it is larger than the sum of its proper divisors (771157).
3213025 is a wasteful number, since it uses less digits than its factorization.
3213025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128531 (or 128526 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 16.
The square root of 3213025 is about 1792.4912831029. The cubic root of 3213025 is about 147.5609247502.
Adding to 3213025 its reverse (5203123), we get a palindrome (8416148).
The spelling of 3213025 in words is "three million, two hundred thirteen thousand, twenty-five".
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