Base | Representation |
---|---|
bin | 1000000100100… |
… | …00110100000100 |
3 | 11201101121201020 |
4 | 10002100310010 |
5 | 114312431040 |
6 | 10415031140 |
7 | 1451312661 |
oct | 402206404 |
9 | 151347636 |
10 | 67702020 |
11 | 35241591 |
12 | 1a80b4b0 |
13 | 11045889 |
14 | 8dc4a68 |
15 | 5e24cd0 |
hex | 4090d04 |
67702020 has 48 divisors (see below), whose sum is σ = 190088640. Its totient is φ = 18004096.
The previous prime is 67702013. The next prime is 67702027. The reversal of 67702020 is 2020776.
It is an interprime number because it is at equal distance from previous prime (67702013) and next prime (67702027).
It is not an unprimeable number, because it can be changed into a prime (67702027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23794 + ... + 26486.
It is an arithmetic number, because the mean of its divisors is an integer number (3960180).
Almost surely, 267702020 is an apocalyptic number.
67702020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
67702020 is an abundant number, since it is smaller than the sum of its proper divisors (122386620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67702020 is a wasteful number, since it uses less digits than its factorization.
67702020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3124 (or 3122 counting only the distinct ones).
The product of its (nonzero) digits is 1176, while the sum is 24.
The square root of 67702020 is about 8228.1237229395. The cubic root of 67702020 is about 407.5684354432.
Adding to 67702020 its reverse (2020776), we get a palindrome (69722796).
The spelling of 67702020 in words is "sixty-seven million, seven hundred two thousand, twenty".
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