Base | Representation |
---|---|
bin | 1000000101001… |
… | …01011011110101 |
3 | 11201112220120120 |
4 | 10002211123311 |
5 | 114323131420 |
6 | 10420522153 |
7 | 1452114144 |
oct | 402453365 |
9 | 151486516 |
10 | 67786485 |
11 | 35299a98 |
12 | 1a850359 |
13 | 11075160 |
14 | 900775b |
15 | 5e3ed40 |
hex | 40a56f5 |
67786485 has 32 divisors (see below), whose sum is σ = 120839040. Its totient is φ = 32218368.
The previous prime is 67786421. The next prime is 67786487. The reversal of 67786485 is 58468776.
It is not a de Polignac number, because 67786485 - 26 = 67786421 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67786487) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 339 + ... + 11648.
It is an arithmetic number, because the mean of its divisors is an integer number (3776220).
Almost surely, 267786485 is an apocalyptic number.
67786485 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
It is an amenable number.
67786485 is a deficient number, since it is larger than the sum of its proper divisors (53052555).
67786485 is a wasteful number, since it uses less digits than its factorization.
67786485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12037.
The product of its digits is 2257920, while the sum is 51.
The square root of 67786485 is about 8233.2548241871. The cubic root of 67786485 is about 407.7378590513.
The spelling of 67786485 in words is "sixty-seven million, seven hundred eighty-six thousand, four hundred eighty-five".
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