Base | Representation |
---|---|
bin | 101000100101101… |
… | …111111011110000 |
3 | 1202110101120211220 |
4 | 220211233323300 |
5 | 2343312444204 |
6 | 151323505040 |
7 | 22606161660 |
oct | 5045577360 |
9 | 1673346756 |
10 | 680984304 |
11 | 31a441650 |
12 | 170088180 |
13 | ab111cc0 |
14 | 666281a0 |
15 | 3ebb81d9 |
hex | 2896fef0 |
680984304 has 160 divisors (see below), whose sum is σ = 2362182144. Its totient is φ = 163261440.
The previous prime is 680984303. The next prime is 680984357. The reversal of 680984304 is 403489086.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (680984303) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40962 + ... + 55134.
Almost surely, 2680984304 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 680984304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1181091072).
680984304 is an abundant number, since it is smaller than the sum of its proper divisors (1681197840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680984304 is a wasteful number, since it uses less digits than its factorization.
680984304 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14215 (or 14209 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 42.
The square root of 680984304 is about 26095.6759636534. The cubic root of 680984304 is about 879.7900256602.
The spelling of 680984304 in words is "six hundred eighty million, nine hundred eighty-four thousand, three hundred four".
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