Base | Representation |
---|---|
bin | 1000001001110… |
… | …11101001110110 |
3 | 11202201011121100 |
4 | 10010323221312 |
5 | 120002324112 |
6 | 10442030530 |
7 | 1460256051 |
oct | 404735166 |
9 | 152634540 |
10 | 68401782 |
11 | 3567a2a9 |
12 | 1aaa8446 |
13 | 1122c237 |
14 | 9127a98 |
15 | 60122dc |
hex | 413ba76 |
68401782 has 24 divisors (see below), whose sum is σ = 148356000. Its totient is φ = 22777200.
The previous prime is 68401757. The next prime is 68401787. The reversal of 68401782 is 28710486.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68401787) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33219 + ... + 35217.
It is an arithmetic number, because the mean of its divisors is an integer number (6181500).
Almost surely, 268401782 is an apocalyptic number.
68401782 is an abundant number, since it is smaller than the sum of its proper divisors (79954218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68401782 is a wasteful number, since it uses less digits than its factorization.
68401782 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3908 (or 3905 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 36.
The square root of 68401782 is about 8270.5369837756. The cubic root of 68401782 is about 408.9678220670.
The spelling of 68401782 in words is "sixty-eight million, four hundred one thousand, seven hundred eighty-two".
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