Base | Representation |
---|---|
bin | 1000000100011… |
… | …00000101100100 |
3 | 11201100122011012 |
4 | 10002030011210 |
5 | 114311321120 |
6 | 10414401352 |
7 | 1451202353 |
oct | 402140544 |
9 | 151318135 |
10 | 67682660 |
11 | 35228a91 |
12 | 1a800258 |
13 | 11039b16 |
14 | 8dbb99a |
15 | 5e1e1c5 |
hex | 408c164 |
67682660 has 12 divisors (see below), whose sum is σ = 142133628. Its totient is φ = 27073056.
The previous prime is 67682651. The next prime is 67682669. The reversal of 67682660 is 6628676.
It is an interprime number because it is at equal distance from previous prime (67682651) and next prime (67682669).
It can be written as a sum of positive squares in 2 ways, for example, as 13601344 + 54081316 = 3688^2 + 7354^2 .
It is not an unprimeable number, because it can be changed into a prime (67682669) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692047 + ... + 1692086.
It is an arithmetic number, because the mean of its divisors is an integer number (11844469).
Almost surely, 267682660 is an apocalyptic number.
It is an amenable number.
67682660 is an abundant number, since it is smaller than the sum of its proper divisors (74450968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67682660 is a wasteful number, since it uses less digits than its factorization.
67682660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3384142 (or 3384140 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 41.
The square root of 67682660 is about 8226.9471859250. The cubic root of 67682660 is about 407.5295824560.
The spelling of 67682660 in words is "sixty-seven million, six hundred eighty-two thousand, six hundred sixty".
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