Base | Representation |
---|---|
bin | 101000111101110… |
… | …110100110001010 |
3 | 1202220021121112112 |
4 | 220331312212022 |
5 | 2401422144200 |
6 | 152111142322 |
7 | 23013656660 |
oct | 5075664612 |
9 | 1686247475 |
10 | 687303050 |
11 | 322a67a55 |
12 | 1722149a2 |
13 | ac5150c5 |
14 | 673d0c30 |
15 | 40515535 |
hex | 28f7698a |
687303050 has 48 divisors (see below), whose sum is σ = 1469584512. Its totient is φ = 234264000.
The previous prime is 687303041. The next prime is 687303053. The reversal of 687303050 is 50303786.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 687302998 and 687303016.
It is not an unprimeable number, because it can be changed into a prime (687303053) 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, 54875 + ... + 66225.
It is an arithmetic number, because the mean of its divisors is an integer number (30616344).
Almost surely, 2687303050 is an apocalyptic number.
687303050 is an abundant number, since it is smaller than the sum of its proper divisors (782281462).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
687303050 is a wasteful number, since it uses less digits than its factorization.
687303050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11543 (or 11538 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 32.
The square root of 687303050 is about 26216.4652461006. The cubic root of 687303050 is about 882.5027967394.
The spelling of 687303050 in words is "six hundred eighty-seven million, three hundred three thousand, fifty".
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