Base | Representation |
---|---|
bin | 1000000101111… |
… | …11100010111110 |
3 | 11201202100021210 |
4 | 10002333202332 |
5 | 114340042223 |
6 | 10423105250 |
7 | 1453041024 |
oct | 402774276 |
9 | 151670253 |
10 | 67893438 |
11 | 35362388 |
12 | 1a8a2226 |
13 | 110b1a42 |
14 | 9034714 |
15 | 5e61893 |
hex | 40bf8be |
67893438 has 32 divisors (see below), whose sum is σ = 138055680. Its totient is φ = 22256640.
The previous prime is 67893421. The next prime is 67893457. The reversal of 67893438 is 83439876.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105598 + ... + 106238.
It is an arithmetic number, because the mean of its divisors is an integer number (4314240).
Almost surely, 267893438 is an apocalyptic number.
67893438 is an abundant number, since it is smaller than the sum of its proper divisors (70162242).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67893438 is a wasteful number, since it uses less digits than its factorization.
67893438 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 912.
The product of its digits is 870912, while the sum is 48.
The square root of 67893438 is about 8239.7474475860. The cubic root of 67893438 is about 407.9521882651.
The spelling of 67893438 in words is "sixty-seven million, eight hundred ninety-three thousand, four hundred thirty-eight".
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