Base | Representation |
---|---|
bin | 100010001000110… |
… | …0011001110111010 |
3 | 2221211100221222210 |
4 | 1010101203032322 |
5 | 4321213421300 |
6 | 305354555550 |
7 | 40246114413 |
oct | 10421431672 |
9 | 2854327883 |
10 | 1145451450 |
11 | 5386396a0 |
12 | 27b738bb6 |
13 | 153405930 |
14 | ac1b080a |
15 | 6a863050 |
hex | 444633ba |
1145451450 has 96 divisors (see below), whose sum is σ = 3337411392. Its totient is φ = 256320000.
The previous prime is 1145451431. The next prime is 1145451467. The reversal of 1145451450 is 541545411.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5251 + ... + 48150.
It is an arithmetic number, because the mean of its divisors is an integer number (34764702).
Almost surely, 21145451450 is an apocalyptic number.
1145451450 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 1145451450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1668705696).
1145451450 is an abundant number, since it is smaller than the sum of its proper divisors (2191959942).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1145451450 is a wasteful number, since it uses less digits than its factorization.
1145451450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53440 (or 53435 counting only the distinct ones).
The product of its (nonzero) digits is 8000, while the sum is 30.
The square root of 1145451450 is about 33844.5187585819. The cubic root of 1145451450 is about 1046.3064328674.
Adding to 1145451450 its reverse (541545411), we get a palindrome (1686996861).
The spelling of 1145451450 in words is "one billion, one hundred forty-five million, four hundred fifty-one thousand, four hundred fifty".
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