Base | Representation |
---|---|
bin | 101011110000001… |
… | …0100011110110010 |
3 | 10210022110201021110 |
4 | 1113200110132302 |
5 | 11001312342130 |
6 | 401402134150 |
7 | 51244363422 |
oct | 12740243662 |
9 | 3708421243 |
10 | 1468090290 |
11 | 693775a67 |
12 | 34b7b1356 |
13 | 1a51cbca4 |
14 | dcd98482 |
15 | 88d44ab0 |
hex | 578147b2 |
1468090290 has 64 divisors (see below), whose sum is σ = 3743677440. Its totient is φ = 367404480.
The previous prime is 1468090289. The next prime is 1468090313. The reversal of 1468090290 is 920908641.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48955 + ... + 73025.
It is an arithmetic number, because the mean of its divisors is an integer number (58494960).
Almost surely, 21468090290 is an apocalyptic number.
1468090290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1468090290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1871838720).
1468090290 is an abundant number, since it is smaller than the sum of its proper divisors (2275587150).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1468090290 is a wasteful number, since it uses less digits than its factorization.
1468090290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24207.
The product of its (nonzero) digits is 31104, while the sum is 39.
The square root of 1468090290 is about 38315.6663781279. Note that the first 3 decimals coincide. The cubic root of 1468090290 is about 1136.5387707750.
The spelling of 1468090290 in words is "one billion, four hundred sixty-eight million, ninety thousand, two hundred ninety".
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