Base | Representation |
---|---|
bin | 1000000110001… |
… | …01100011001110 |
3 | 11201210121000121 |
4 | 10003011203032 |
5 | 114341334110 |
6 | 10423415154 |
7 | 1453202515 |
oct | 403054316 |
9 | 151717017 |
10 | 67918030 |
11 | 35379904 |
12 | 1a8b44ba |
13 | 110bccab |
14 | 903d67c |
15 | 5e68cda |
hex | 40c58ce |
67918030 has 8 divisors (see below), whose sum is σ = 122252472. Its totient is φ = 27167208.
The previous prime is 67918013. The next prime is 67918033. The reversal of 67918030 is 3081976.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×679180302 = 9225717598161800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67918033) by changing a digit.
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, 3395892 + ... + 3395911.
It is an arithmetic number, because the mean of its divisors is an integer number (15281559).
Almost surely, 267918030 is an apocalyptic number.
67918030 is a deficient number, since it is larger than the sum of its proper divisors (54334442).
67918030 is a wasteful number, since it uses less digits than its factorization.
67918030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6791810.
The product of its (nonzero) digits is 9072, while the sum is 34.
The square root of 67918030 is about 8241.2395912266. The cubic root of 67918030 is about 408.0014377432.
The spelling of 67918030 in words is "sixty-seven million, nine hundred eighteen thousand, thirty".
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