Base | Representation |
---|---|
bin | 1000000010000… |
… | …10011001011001 |
3 | 11200210022010010 |
4 | 10001002121121 |
5 | 114222141300 |
6 | 10404112133 |
7 | 1445504361 |
oct | 401023131 |
9 | 150708103 |
10 | 67380825 |
11 | 35042236 |
12 | 1a695649 |
13 | 10c62615 |
14 | 8d3d9a1 |
15 | 5daea50 |
hex | 4042659 |
67380825 has 48 divisors (see below), whose sum is σ = 116865536. Its totient is φ = 34214400.
The previous prime is 67380799. The next prime is 67380827. The reversal of 67380825 is 52808376.
67380825 = 1402 + 1412 + ... + 5892.
It is not a de Polignac number, because 67380825 - 27 = 67380697 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (67380827) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 169527 + ... + 169923.
Almost surely, 267380825 is an apocalyptic number.
It is an amenable number.
67380825 is a deficient number, since it is larger than the sum of its proper divisors (49484711).
67380825 is a wasteful number, since it uses less digits than its factorization.
67380825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 514 (or 509 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 67380825 is about 8208.5823989286. The cubic root of 67380825 is about 406.9228785732.
The spelling of 67380825 in words is "sixty-seven million, three hundred eighty thousand, eight hundred twenty-five".
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