Base | Representation |
---|---|
bin | 1000000001100… |
… | …10000101100101 |
3 | 11200122220110220 |
4 | 10000302011211 |
5 | 114213022041 |
6 | 10402434553 |
7 | 1445105535 |
oct | 400620545 |
9 | 150586426 |
10 | 67314021 |
11 | 34aa7025 |
12 | 1a662a59 |
13 | 10c3b0a8 |
14 | 8d234c5 |
15 | 5d99d66 |
hex | 4032165 |
67314021 has 8 divisors (see below), whose sum is σ = 90591264. Its totient is φ = 44456400.
The previous prime is 67314019. The next prime is 67314041. The reversal of 67314021 is 12041376.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 67314021 - 21 = 67314019 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 67313982 and 67314000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67314001) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104530 + ... + 105171.
It is an arithmetic number, because the mean of its divisors is an integer number (11323908).
Almost surely, 267314021 is an apocalyptic number.
It is an amenable number.
67314021 is a deficient number, since it is larger than the sum of its proper divisors (23277243).
67314021 is a wasteful number, since it uses less digits than its factorization.
67314021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 209811.
The product of its (nonzero) digits is 1008, while the sum is 24.
The square root of 67314021 is about 8204.5122341307. The cubic root of 67314021 is about 406.7883543238.
Adding to 67314021 its reverse (12041376), we get a palindrome (79355397).
The spelling of 67314021 in words is "sixty-seven million, three hundred fourteen thousand, twenty-one".
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