Base | Representation |
---|---|
bin | 101000100011101… |
… | …100100001100010 |
3 | 1202102101020111120 |
4 | 220203230201202 |
5 | 2343143233200 |
6 | 151304153110 |
7 | 22601460504 |
oct | 5043544142 |
9 | 1672336446 |
10 | 680446050 |
11 | 31a104209 |
12 | 16ba68796 |
13 | aac83ccb |
14 | 66527d74 |
15 | 3eb0d9a0 |
hex | 288ec862 |
680446050 has 96 divisors (see below), whose sum is σ = 1785153600. Its totient is φ = 171048960.
The previous prime is 680446043. The next prime is 680446051. The reversal of 680446050 is 50644086.
It is a happy number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (680446051) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 731986 + ... + 732914.
It is an arithmetic number, because the mean of its divisors is an integer number (18595350).
Almost surely, 2680446050 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 680446050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892576800).
680446050 is an abundant number, since it is smaller than the sum of its proper divisors (1104707550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680446050 is a wasteful number, since it uses less digits than its factorization.
680446050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1220 (or 1215 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 33.
The square root of 680446050 is about 26085.3608370672. The cubic root of 680446050 is about 879.5581674914.
The spelling of 680446050 in words is "six hundred eighty million, four hundred forty-six thousand, fifty".
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