Base | Representation |
---|---|
bin | 101010111110110… |
… | …0110111010100110 |
3 | 10201111210001001101 |
4 | 1111331212322212 |
5 | 10423201313132 |
6 | 355035350314 |
7 | 50511420130 |
oct | 12575467246 |
9 | 3644701041 |
10 | 1442213542 |
11 | 680101420 |
12 | 342bb239a |
13 | 19ca3b9c3 |
14 | d9780050 |
15 | 869327e7 |
hex | 55f66ea6 |
1442213542 has 32 divisors (see below), whose sum is σ = 2723860224. Its totient is φ = 556332000.
The previous prime is 1442213497. The next prime is 1442213567. The reversal of 1442213542 is 2453122441.
It is a self number, because there is not a number n which added to its sum of digits gives 1442213542.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30808 + ... + 61915.
It is an arithmetic number, because the mean of its divisors is an integer number (85120632).
Almost surely, 21442213542 is an apocalyptic number.
1442213542 is a deficient number, since it is larger than the sum of its proper divisors (1281646682).
1442213542 is a wasteful number, since it uses less digits than its factorization.
1442213542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 92844.
The product of its digits is 7680, while the sum is 28.
The square root of 1442213542 is about 37976.4866990089. The cubic root of 1442213542 is about 1129.8215558671.
Adding to 1442213542 its reverse (2453122441), we get a palindrome (3895335983).
The spelling of 1442213542 in words is "one billion, four hundred forty-two million, two hundred thirteen thousand, five hundred forty-two".
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