Base | Representation |
---|---|
bin | 1000001101001… |
… | …11011110101101 |
3 | 11210112121102221 |
4 | 10012213132231 |
5 | 120110442222 |
6 | 10455315341 |
7 | 1464105505 |
oct | 406473655 |
9 | 153477387 |
10 | 68843437 |
11 | 35951103 |
12 | 1b07bb51 |
13 | 11355280 |
14 | 9200a05 |
15 | 609d0c7 |
hex | 41a77ad |
68843437 has 8 divisors (see below), whose sum is σ = 75033504. Its totient is φ = 62781168.
The previous prime is 68843431. The next prime is 68843443. The reversal of 68843437 is 73434886.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (68843431) and next prime (68843443).
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 68843437 - 27 = 68843309 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 68843393 and 68843402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68843431) 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, 30823 + ... + 32980.
It is an arithmetic number, because the mean of its divisors is an integer number (9379188).
Almost surely, 268843437 is an apocalyptic number.
It is an amenable number.
68843437 is a deficient number, since it is larger than the sum of its proper divisors (6190067).
68843437 is a wasteful number, since it uses less digits than its factorization.
68843437 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63899.
The product of its digits is 387072, while the sum is 43.
The square root of 68843437 is about 8297.1945258623. The cubic root of 68843437 is about 409.8461389760.
The spelling of 68843437 in words is "sixty-eight million, eight hundred forty-three thousand, four hundred thirty-seven".
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