Base | Representation |
---|---|
bin | 1000001100101… |
… | …01110000100001 |
3 | 11210101220212111 |
4 | 10012111300201 |
5 | 120101131344 |
6 | 10453555321 |
7 | 1463354050 |
oct | 406256041 |
9 | 153356774 |
10 | 68770849 |
11 | 35901614 |
12 | 1b045b41 |
13 | 1132b214 |
14 | 91c2397 |
15 | 6086834 |
hex | 4195c21 |
68770849 has 8 divisors (see below), whose sum is σ = 79170048. Its totient is φ = 58515360.
The previous prime is 68770829. The next prime is 68770859. The reversal of 68770849 is 94807786.
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 68770849 - 215 = 68738081 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68770829) 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, 34897 + ... + 36814.
It is an arithmetic number, because the mean of its divisors is an integer number (9896256).
Almost surely, 268770849 is an apocalyptic number.
It is an amenable number.
68770849 is a deficient number, since it is larger than the sum of its proper divisors (10399199).
68770849 is a wasteful number, since it uses less digits than its factorization.
68770849 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71855.
The product of its (nonzero) digits is 677376, while the sum is 49.
The square root of 68770849 is about 8292.8191225903. The cubic root of 68770849 is about 409.7020420948.
The spelling of 68770849 in words is "sixty-eight million, seven hundred seventy thousand, eight hundred forty-nine".
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