Base | Representation |
---|---|
bin | 1000001101010… |
… | …00111101100110 |
3 | 11210112220202212 |
4 | 10012220331212 |
5 | 120111141020 |
6 | 10455403422 |
7 | 1464132302 |
oct | 406507546 |
9 | 153486685 |
10 | 68849510 |
11 | 35955724 |
12 | 1b083572 |
13 | 11357c72 |
14 | 9202d02 |
15 | 609ecc5 |
hex | 41a8f66 |
68849510 has 16 divisors (see below), whose sum is σ = 125323200. Its totient is φ = 27230016.
The previous prime is 68849503. The next prime is 68849531. The reversal of 68849510 is 1594886.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37790 + ... + 39569.
It is an arithmetic number, because the mean of its divisors is an integer number (7832700).
Almost surely, 268849510 is an apocalyptic number.
68849510 is a deficient number, since it is larger than the sum of its proper divisors (56473690).
68849510 is a wasteful number, since it uses less digits than its factorization.
68849510 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77455.
The product of its (nonzero) digits is 69120, while the sum is 41.
The square root of 68849510 is about 8297.5604848654. The cubic root of 68849510 is about 409.8581901001.
The spelling of 68849510 in words is "sixty-eight million, eight hundred forty-nine thousand, five hundred ten".
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