Base | Representation |
---|---|
bin | 101010111110100… |
… | …0001101011110101 |
3 | 10201111111021212100 |
4 | 1111331001223311 |
5 | 10423131423140 |
6 | 355032212313 |
7 | 50510213415 |
oct | 12575015365 |
9 | 3644437770 |
10 | 1442061045 |
11 | 680007897 |
12 | 342b3a099 |
13 | 19c9b7479 |
14 | d9740645 |
15 | 86902530 |
hex | 55f41af5 |
1442061045 has 48 divisors (see below), whose sum is σ = 2547662832. Its totient is φ = 754375680.
The previous prime is 1442061043. The next prime is 1442061083. The reversal of 1442061045 is 5401602441.
1442061045 is a `hidden beast` number, since 1 + 4 + 4 + 2 + 0 + 610 + 45 = 666.
It can be written as a sum of positive squares in 8 ways, for example, as 309267396 + 1132793649 = 17586^2 + 33657^2 .
It is not a de Polignac number, because 1442061045 - 21 = 1442061043 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1442061043) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1682257 + ... + 1683113.
It is an arithmetic number, because the mean of its divisors is an integer number (53076309).
Almost surely, 21442061045 is an apocalyptic number.
1442061045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1442061045 is a deficient number, since it is larger than the sum of its proper divisors (1105601787).
1442061045 is a wasteful number, since it uses less digits than its factorization.
1442061045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1542 (or 1539 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
The square root of 1442061045 is about 37974.4788641003. The cubic root of 1442061045 is about 1129.7817327143.
Adding to 1442061045 its reverse (5401602441), we get a palindrome (6843663486).
The spelling of 1442061045 in words is "one billion, four hundred forty-two million, sixty-one thousand, forty-five".
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