Base | Representation |
---|---|
bin | 1111111110010… |
… | …1011100000011 |
3 | 11200001221210222 |
4 | 3333211130003 |
5 | 114123000232 |
6 | 10352013255 |
7 | 1442330321 |
oct | 377453403 |
9 | 150057728 |
10 | 67000067 |
11 | 34902162 |
12 | 1a53122b |
13 | 10b5b214 |
14 | 8c80d11 |
15 | 5d36d12 |
hex | 3fe5703 |
67000067 has 8 divisors (see below), whose sum is σ = 68680272. Its totient is φ = 65340000.
The previous prime is 67000049. The next prime is 67000069. The reversal of 67000067 is 76000076.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 67000067 - 222 = 62805763 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (67000069) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1817 + ... + 11717.
It is an arithmetic number, because the mean of its divisors is an integer number (8585034).
Almost surely, 267000067 is an apocalyptic number.
67000067 is a gapful number since it is divisible by the number (67) formed by its first and last digit.
67000067 is a deficient number, since it is larger than the sum of its proper divisors (1680205).
67000067 is a wasteful number, since it uses less digits than its factorization.
67000067 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10069.
The product of its (nonzero) digits is 1764, while the sum is 26.
The square root of 67000067 is about 8185.3568645478. The cubic root of 67000067 is about 406.1549454295.
Subtracting 67000067 from its reverse (76000076), we obtain a palindrome (9000009).
It can be divided in two parts, 670000 and 67, that multiplied together give a square (44890000 = 67002).
The spelling of 67000067 in words is "sixty-seven million, sixty-seven", and thus it is an aban number and an uban number.
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