Base | Representation |
---|---|
bin | 1000001010001… |
… | …01100010001000 |
3 | 11202210020010002 |
4 | 10011011202020 |
5 | 120010122443 |
6 | 10442542132 |
7 | 1460515040 |
oct | 405054210 |
9 | 152706102 |
10 | 68442248 |
11 | 356a7746 |
12 | 1ab07948 |
13 | 11244794 |
14 | 9138720 |
15 | 601e2b8 |
hex | 4145888 |
68442248 has 32 divisors (see below), whose sum is σ = 146966400. Its totient is φ = 29271552.
The previous prime is 68442223. The next prime is 68442251. The reversal of 68442248 is 84224486.
It is a super-2 number, since 2×684422482 = 9368682622587008, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35288 + ... + 37176.
It is an arithmetic number, because the mean of its divisors is an integer number (4592700).
Almost surely, 268442248 is an apocalyptic number.
It is an amenable number.
68442248 is an abundant number, since it is smaller than the sum of its proper divisors (78524152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68442248 is a wasteful number, since it uses less digits than its factorization.
68442248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2549 (or 2545 counting only the distinct ones).
The product of its digits is 98304, while the sum is 38.
The square root of 68442248 is about 8272.9830170260. The cubic root of 68442248 is about 409.0484536383.
The spelling of 68442248 in words is "sixty-eight million, four hundred forty-two thousand, two hundred forty-eight".
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