Base | Representation |
---|---|
bin | 1000001101110… |
… | …01110011001100 |
3 | 11210200102101011 |
4 | 10012321303030 |
5 | 120120342401 |
6 | 10501055004 |
7 | 1464540334 |
oct | 406716314 |
9 | 153612334 |
10 | 68918476 |
11 | 359a2520 |
12 | 1b0b7464 |
13 | 11380483 |
14 | 92200c4 |
15 | 60b5451 |
hex | 41b9ccc |
68918476 has 48 divisors (see below), whose sum is σ = 140313600. Its totient is φ = 29272320.
The previous prime is 68918449. The next prime is 68918477. The reversal of 68918476 is 67481986.
It is not an unprimeable number, because it can be changed into a prime (68918477) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 148621 + ... + 149083.
It is an arithmetic number, because the mean of its divisors is an integer number (2923200).
Almost surely, 268918476 is an apocalyptic number.
It is an amenable number.
68918476 is an abundant number, since it is smaller than the sum of its proper divisors (71395124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68918476 is a wasteful number, since it uses less digits than its factorization.
68918476 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 694 (or 692 counting only the distinct ones).
The product of its digits is 580608, while the sum is 49.
The square root of 68918476 is about 8301.7152444540. The cubic root of 68918476 is about 409.9949949815.
The spelling of 68918476 in words is "sixty-eight million, nine hundred eighteen thousand, four hundred seventy-six".
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