Base | Representation |
---|---|
bin | 1000000100011… |
… | …00000010001101 |
3 | 11201100121212020 |
4 | 10002030002031 |
5 | 114311314240 |
6 | 10414400353 |
7 | 1451201625 |
oct | 402140215 |
9 | 151317766 |
10 | 67682445 |
11 | 35228906 |
12 | 1a8000b9 |
13 | 110399ac |
14 | 8dbb885 |
15 | 5e1e0d0 |
hex | 408c08d |
67682445 has 16 divisors (see below), whose sum is σ = 113000832. Its totient is φ = 34527680.
The previous prime is 67682443. The next prime is 67682449. The reversal of 67682445 is 54428676.
It is not a de Polignac number, because 67682445 - 21 = 67682443 is a prime.
It is a super-2 number, since 2×676824452 = 9161826722356050, which contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 67682397 and 67682406.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67682441) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97746 + ... + 98435.
It is an arithmetic number, because the mean of its divisors is an integer number (7062552).
Almost surely, 267682445 is an apocalyptic number.
It is an amenable number.
67682445 is a deficient number, since it is larger than the sum of its proper divisors (45318387).
67682445 is a wasteful number, since it uses less digits than its factorization.
67682445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196212.
The product of its digits is 322560, while the sum is 42.
The square root of 67682445 is about 8226.9341190993. The cubic root of 67682445 is about 407.5291509376.
The spelling of 67682445 in words is "sixty-seven million, six hundred eighty-two thousand, four hundred forty-five".
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