Base | Representation |
---|---|
bin | 101011000100001… |
… | …0010111000000101 |
3 | 10201201001100222202 |
4 | 1112020102320011 |
5 | 10424410440140 |
6 | 355215404245 |
7 | 50544265565 |
oct | 12610227005 |
9 | 3651040882 |
10 | 1445015045 |
11 | 681745211 |
12 | 343b23685 |
13 | 1a04acbb6 |
14 | d9cacda5 |
15 | 86cd7915 |
hex | 56212e05 |
1445015045 has 16 divisors (see below), whose sum is σ = 1899333360. Its totient is φ = 1050491904.
The previous prime is 1445015041. The next prime is 1445015051. The reversal of 1445015045 is 5405105441.
It can be written as a sum of positive squares in 8 ways, for example, as 863041 + 1444152004 = 929^2 + 38002^2 .
It is a cyclic number.
It is not a de Polignac number, because 1445015045 - 22 = 1445015041 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a junction number, because it is equal to n+sod(n) for n = 1445014999 and 1445015017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1445015041) 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, 290642 + ... + 295571.
It is an arithmetic number, because the mean of its divisors is an integer number (118708335).
Almost surely, 21445015045 is an apocalyptic number.
It is an amenable number.
1445015045 is a deficient number, since it is larger than the sum of its proper divisors (454318315).
1445015045 is a wasteful number, since it uses less digits than its factorization.
1445015045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 586264.
The product of its (nonzero) digits is 8000, while the sum is 29.
The square root of 1445015045 is about 38013.3535089973. The cubic root of 1445015045 is about 1130.5526429835.
The spelling of 1445015045 in words is "one billion, four hundred forty-five million, fifteen thousand, forty-five".
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