Base | Representation |
---|---|
bin | 1100010000011011010001 |
3 | 20001020102100 |
4 | 30100123101 |
5 | 1310304014 |
6 | 152511013 |
7 | 36211242 |
oct | 14203321 |
9 | 6036370 |
10 | 3213009 |
11 | 18a4a88 |
12 | 10ab469 |
13 | 8865b7 |
14 | 5d8cc9 |
15 | 437009 |
hex | 3106d1 |
3213009 has 12 divisors (see below), whose sum is σ = 4700800. Its totient is φ = 2114424.
The previous prime is 3212981. The next prime is 3213011. The reversal of 3213009 is 9003123.
It is not a de Polignac number, because 3213009 - 25 = 3212977 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 3212982 and 3213000.
It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 1549 + ... + 2970.
Almost surely, 23213009 is an apocalyptic number.
It is an amenable number.
3213009 is a deficient number, since it is larger than the sum of its proper divisors (1487791).
3213009 is a wasteful number, since it uses less digits than its factorization.
3213009 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4604 (or 4601 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
The square root of 3213009 is about 1792.4868200352. The cubic root of 3213009 is about 147.5606798119.
It can be divided in two parts, 32 and 13009, that added together give a triangular number (13041 = T161).
The spelling of 3213009 in words is "three million, two hundred thirteen thousand, nine".
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