Base | Representation |
---|---|
bin | 1111111111100… |
… | …1100010100001 |
3 | 11200020010202101 |
4 | 3333321202201 |
5 | 114133114101 |
6 | 10353450401 |
7 | 1443122341 |
oct | 377714241 |
9 | 150203671 |
10 | 67082401 |
11 | 34959001 |
12 | 1a570a01 |
13 | 10b89839 |
14 | 8ca2d21 |
15 | 5d51401 |
hex | 3ff98a1 |
67082401 has 8 divisors (see below), whose sum is σ = 68390504. Its totient is φ = 65784960.
The previous prime is 67082399. The next prime is 67082417. The reversal of 67082401 is 10428076.
It can be written as a sum of positive squares in 4 ways, for example, as 9928801 + 57153600 = 3151^2 + 7560^2 .
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 67082401 - 21 = 67082399 is a prime.
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 67082401.
It is not an unprimeable number, because it can be changed into a prime (67082101) 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, 10675 + ... + 15751.
It is an arithmetic number, because the mean of its divisors is an integer number (8548813).
Almost surely, 267082401 is an apocalyptic number.
It is an amenable number.
67082401 is a deficient number, since it is larger than the sum of its proper divisors (1308103).
67082401 is a wasteful number, since it uses less digits than its factorization.
67082401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5331.
The product of its (nonzero) digits is 2688, while the sum is 28.
The square root of 67082401 is about 8190.3846674012. The cubic root of 67082401 is about 406.3212471175.
The spelling of 67082401 in words is "sixty-seven million, eighty-two thousand, four hundred one".
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