Base | Representation |
---|---|
bin | 1000001010001… |
… | …01010111101111 |
3 | 11202210012012110 |
4 | 10011011113233 |
5 | 120010112313 |
6 | 10442535103 |
7 | 1460513100 |
oct | 405052757 |
9 | 152705173 |
10 | 68441583 |
11 | 356a71a1 |
12 | 1ab07493 |
13 | 112443a2 |
14 | 91383a7 |
15 | 601dec3 |
hex | 41455ef |
68441583 has 48 divisors (see below), whose sum is σ = 114518016. Its totient is φ = 36146880.
The previous prime is 68441579. The next prime is 68441617. The reversal of 68441583 is 38514486.
It is not a de Polignac number, because 68441583 - 22 = 68441579 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68441533) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104485 + ... + 105137.
It is an arithmetic number, because the mean of its divisors is an integer number (2385792).
Almost surely, 268441583 is an apocalyptic number.
68441583 is a deficient number, since it is larger than the sum of its proper divisors (46076433).
68441583 is a wasteful number, since it uses less digits than its factorization.
68441583 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 724 (or 717 counting only the distinct ones).
The product of its digits is 92160, while the sum is 39.
The square root of 68441583 is about 8272.9428258631. The cubic root of 68441583 is about 409.0471288323.
The spelling of 68441583 in words is "sixty-eight million, four hundred forty-one thousand, five hundred eighty-three".
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