Base | Representation |
---|---|
bin | 1000000100010… |
… | …00101111011010 |
3 | 11201022221100120 |
4 | 10002020233122 |
5 | 114310401304 |
6 | 10414214110 |
7 | 1451114403 |
oct | 402105732 |
9 | 151287316 |
10 | 67668954 |
11 | 35219761 |
12 | 1a7b4336 |
13 | 11033802 |
14 | 8db69aa |
15 | 5e1a0d9 |
hex | 4088bda |
67668954 has 8 divisors (see below), whose sum is σ = 135337920. Its totient is φ = 22556316.
The previous prime is 67668949. The next prime is 67669003. The reversal of 67668954 is 45986676.
It is a sphenic number, since it is the product of 3 distinct primes.
67668954 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 67668897 and 67668906.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5639074 + ... + 5639085.
It is an arithmetic number, because the mean of its divisors is an integer number (16917240).
Almost surely, 267668954 is an apocalyptic number.
67668954 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67668954 is a wasteful number, since it uses less digits than its factorization.
67668954 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11278164.
The product of its digits is 2177280, while the sum is 51.
The square root of 67668954 is about 8226.1141494633. The cubic root of 67668954 is about 407.5020718276.
The spelling of 67668954 in words is "sixty-seven million, six hundred sixty-eight thousand, nine hundred fifty-four".
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