Base | Representation |
---|---|
bin | 1000001101010… |
… | …01001101111110 |
3 | 11210112222012200 |
4 | 10012221031332 |
5 | 120111204213 |
6 | 10455412330 |
7 | 1464135330 |
oct | 406511576 |
9 | 153488180 |
10 | 68850558 |
11 | 35956497 |
12 | 1b0840a6 |
13 | 1135859a |
14 | 9203450 |
15 | 60a0273 |
hex | 41a937e |
68850558 has 48 divisors (see below), whose sum is σ = 171007200. Its totient is φ = 19611648.
The previous prime is 68850539. The next prime is 68850559. The reversal of 68850558 is 85505886.
It is a super-3 number, since 3×688505583 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68850559) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55966 + ... + 57182.
It is an arithmetic number, because the mean of its divisors is an integer number (3562650).
Almost surely, 268850558 is an apocalyptic number.
68850558 is an abundant number, since it is smaller than the sum of its proper divisors (102156642).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68850558 is a wasteful number, since it uses less digits than its factorization.
68850558 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1681 (or 1678 counting only the distinct ones).
The product of its (nonzero) digits is 384000, while the sum is 45.
The square root of 68850558 is about 8297.6236357164. The cubic root of 68850558 is about 409.8602696560.
The spelling of 68850558 in words is "sixty-eight million, eight hundred fifty thousand, five hundred fifty-eight".
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