Base | Representation |
---|---|
bin | 101011000100111… |
… | …0100010100000001 |
3 | 10201201210122110020 |
4 | 1112021310110001 |
5 | 10430011223040 |
6 | 355232124053 |
7 | 50550550260 |
oct | 12611642401 |
9 | 3651718406 |
10 | 1445414145 |
11 | 68199804a |
12 | 344096629 |
13 | 1a05bc756 |
14 | d9d745d7 |
15 | 86d65cd0 |
hex | 56274501 |
1445414145 has 32 divisors (see below), whose sum is σ = 2692922112. Its totient is φ = 648291072.
The previous prime is 1445414119. The next prime is 1445414149. The reversal of 1445414145 is 5414145441.
It is a happy number.
It is not a de Polignac number, because 1445414145 - 27 = 1445414017 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1445414149) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124302 + ... + 135431.
It is an arithmetic number, because the mean of its divisors is an integer number (84153816).
Almost surely, 21445414145 is an apocalyptic number.
1445414145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1445414145 is a deficient number, since it is larger than the sum of its proper divisors (1247507967).
1445414145 is a wasteful number, since it uses less digits than its factorization.
1445414145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 259801.
The product of its digits is 25600, while the sum is 33.
The square root of 1445414145 is about 38018.6026176660. The cubic root of 1445414145 is about 1130.6567161852.
Adding to 1445414145 its reverse (5414145441), we get a palindrome (6859559586).
The spelling of 1445414145 in words is "one billion, four hundred forty-five million, four hundred fourteen thousand, one hundred forty-five".
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