Base | Representation |
---|---|
bin | 101000100101001… |
… | …101010000001000 |
3 | 1202110010100222120 |
4 | 220211031100020 |
5 | 2343243422443 |
6 | 151320451240 |
7 | 22605030552 |
oct | 5045152010 |
9 | 1673110876 |
10 | 680842248 |
11 | 31a354949 |
12 | 170019b20 |
13 | ab092448 |
14 | 665cc4d2 |
15 | 3eb8b083 |
hex | 2894d408 |
680842248 has 64 divisors (see below), whose sum is σ = 1807349760. Its totient is φ = 212990976.
The previous prime is 680842247. The next prime is 680842373. The reversal of 680842248 is 842248086.
It is not an unprimeable number, because it can be changed into a prime (680842247) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154086 + ... + 158442.
It is an arithmetic number, because the mean of its divisors is an integer number (28239840).
Almost surely, 2680842248 is an apocalyptic number.
680842248 is a gapful number since it is divisible by the number (68) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 680842248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (903674880).
680842248 is an abundant number, since it is smaller than the sum of its proper divisors (1126507512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680842248 is a wasteful number, since it uses less digits than its factorization.
680842248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4766 (or 4762 counting only the distinct ones).
The product of its (nonzero) digits is 196608, while the sum is 42.
The square root of 680842248 is about 26092.9539914514. The cubic root of 680842248 is about 879.7288455211.
The spelling of 680842248 in words is "six hundred eighty million, eight hundred forty-two thousand, two hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.060 sec. • engine limits •