Base | Representation |
---|---|
bin | 1000000110010… |
… | …10011011011100 |
3 | 11201211121102200 |
4 | 10003022123130 |
5 | 114343004022 |
6 | 10424051500 |
7 | 1453315002 |
oct | 403123334 |
9 | 151747380 |
10 | 67938012 |
11 | 3539291a |
12 | 1a903b90 |
13 | 110c910c |
14 | 9046a72 |
15 | 5e6ebac |
hex | 40ca6dc |
67938012 has 18 divisors (see below), whose sum is σ = 171732288. Its totient is φ = 22645992.
The previous prime is 67937999. The next prime is 67938023. The reversal of 67938012 is 21083976.
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1887167 = 67938012 / (6 + 7 + 9 + 3 + 8 + 0 + 1 + 2).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 943548 + ... + 943619.
Almost surely, 267938012 is an apocalyptic number.
It is an amenable number.
67938012 is an abundant number, since it is smaller than the sum of its proper divisors (103794276).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67938012 is a wasteful number, since it uses less digits than its factorization.
67938012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1887177 (or 1887172 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 67938012 is about 8242.4518196954. The cubic root of 67938012 is about 408.0414461933.
The spelling of 67938012 in words is "sixty-seven million, nine hundred thirty-eight thousand, twelve".
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