Base | Representation |
---|---|
bin | 1000000100010… |
… | …10000010101101 |
3 | 11201100012200000 |
4 | 10002022002231 |
5 | 114311034120 |
6 | 10414254513 |
7 | 1451136060 |
oct | 402120255 |
9 | 151305600 |
10 | 67674285 |
11 | 35222768 |
12 | 1a7b7439 |
13 | 11036073 |
14 | 8db88d7 |
15 | 5e1b990 |
hex | 408a0ad |
67674285 has 96 divisors (see below), whose sum is σ = 142222080. Its totient is φ = 30233088.
The previous prime is 67674283. The next prime is 67674311. The reversal of 67674285 is 58247676.
It is not a de Polignac number, because 67674285 - 21 = 67674283 is a prime.
It is a super-2 number, since 2×676742852 = 9159617700522450, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 67674285.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67674283) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 620811 + ... + 620919.
It is an arithmetic number, because the mean of its divisors is an integer number (1481480).
Almost surely, 267674285 is an apocalyptic number.
It is an amenable number.
67674285 is an abundant number, since it is smaller than the sum of its proper divisors (74547795).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67674285 is a wasteful number, since it uses less digits than its factorization.
67674285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 209 (or 197 counting only the distinct ones).
The product of its digits is 564480, while the sum is 45.
The square root of 67674285 is about 8226.4381721374. The cubic root of 67674285 is about 407.5127726309.
The spelling of 67674285 in words is "sixty-seven million, six hundred seventy-four thousand, two hundred eighty-five".
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