Base | Representation |
---|---|
bin | 1111111110110… |
… | …0110000011111 |
3 | 11200010110221100 |
4 | 3333230300133 |
5 | 114124430142 |
6 | 10352404143 |
7 | 1442513610 |
oct | 377546037 |
9 | 150113840 |
10 | 67030047 |
11 | 34922737 |
12 | 1a546653 |
13 | 10b6ba66 |
14 | 8c8bc07 |
15 | 5d40b4c |
hex | 3fecc1f |
67030047 has 12 divisors (see below), whose sum is σ = 110652880. Its totient is φ = 38302848.
The previous prime is 67030013. The next prime is 67030057. The reversal of 67030047 is 74003076.
It is not a de Polignac number, because 67030047 - 26 = 67029983 is a prime.
It is a super-3 number, since 3×670300473 (a number of 24 digits) contains 333 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 67030047.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67030057) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 531922 + ... + 532047.
Almost surely, 267030047 is an apocalyptic number.
67030047 is a deficient number, since it is larger than the sum of its proper divisors (43622833).
67030047 is a wasteful number, since it uses less digits than its factorization.
67030047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1063982 (or 1063979 counting only the distinct ones).
The product of its (nonzero) digits is 3528, while the sum is 27.
The square root of 67030047 is about 8187.1879787873. The cubic root of 67030047 is about 406.2155160631.
The spelling of 67030047 in words is "sixty-seven million, thirty thousand, forty-seven".
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