Base | Representation |
---|---|
bin | 1000001100101… |
… | …01000000000110 |
3 | 11210101202121201 |
4 | 10012111000012 |
5 | 120101032000 |
6 | 10453533114 |
7 | 1463342032 |
oct | 406250006 |
9 | 153352551 |
10 | 68767750 |
11 | 358aa257 |
12 | 1b04419a |
13 | 1132999c |
14 | 91c11c2 |
15 | 608596a |
hex | 4195006 |
68767750 has 32 divisors (see below), whose sum is σ = 131747616. Its totient is φ = 26863200.
The previous prime is 68767747. The next prime is 68767757. The reversal of 68767750 is 5776786.
It is a self number, because there is not a number n which added to its sum of digits gives 68767750.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68767757) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7552 + ... + 13948.
It is an arithmetic number, because the mean of its divisors is an integer number (4117113).
Almost surely, 268767750 is an apocalyptic number.
68767750 is a deficient number, since it is larger than the sum of its proper divisors (62979866).
68767750 is a wasteful number, since it uses less digits than its factorization.
68767750 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6457 (or 6447 counting only the distinct ones).
The product of its (nonzero) digits is 493920, while the sum is 46.
The square root of 68767750 is about 8292.6322720835. The cubic root of 68767750 is about 409.6958879092.
The spelling of 68767750 in words is "sixty-eight million, seven hundred sixty-seven thousand, seven hundred fifty".
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