Base | Representation |
---|---|
bin | 1000001011011… |
… | …01011100111110 |
3 | 11210002112102000 |
4 | 10011231130332 |
5 | 120030341013 |
6 | 10450243130 |
7 | 1462065534 |
oct | 405553476 |
9 | 153075360 |
10 | 68605758 |
11 | 357a9581 |
12 | 1ab864a6 |
13 | 112a1030 |
14 | 917c154 |
15 | 6052973 |
hex | 416d73e |
68605758 has 32 divisors (see below), whose sum is σ = 164186400. Its totient is φ = 21109248.
The previous prime is 68605741. The next prime is 68605763. The reversal of 68605758 is 85750686.
It is a Curzon number.
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, 48163 + ... + 49566.
It is an arithmetic number, because the mean of its divisors is an integer number (5130825).
Almost surely, 268605758 is an apocalyptic number.
68605758 is an abundant number, since it is smaller than the sum of its proper divisors (95580642).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68605758 is a wasteful number, since it uses less digits than its factorization.
68605758 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97753 (or 97747 counting only the distinct ones).
The product of its (nonzero) digits is 403200, while the sum is 45.
The square root of 68605758 is about 8282.8592889171. The cubic root of 68605758 is about 409.3739364267.
The spelling of 68605758 in words is "sixty-eight million, six hundred five thousand, seven hundred fifty-eight".
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