Base | Representation |
---|---|
bin | 101010111110111… |
… | …0010111111011101 |
3 | 10201111212112220100 |
4 | 1111331302333131 |
5 | 10423204404010 |
6 | 355040411313 |
7 | 50512014261 |
oct | 12575627735 |
9 | 3644775810 |
10 | 1442263005 |
11 | 6801355a7 |
12 | 343016b39 |
13 | 19ca58381 |
14 | d97940a1 |
15 | 869422c0 |
hex | 55f72fdd |
1442263005 has 12 divisors (see below), whose sum is σ = 2499922620. Its totient is φ = 769206912.
The previous prime is 1442262953. The next prime is 1442263021. The reversal of 1442263005 is 5003622441.
1442263005 is a `hidden beast` number, since 1 + 4 + 4 + 22 + 630 + 0 + 5 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 981130329 + 461132676 = 31323^2 + 21474^2 .
It is not a de Polignac number, because 1442263005 - 214 = 1442246621 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 1442263005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16025100 + ... + 16025189.
It is an arithmetic number, because the mean of its divisors is an integer number (208326885).
Almost surely, 21442263005 is an apocalyptic number.
1442263005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1442263005 is a deficient number, since it is larger than the sum of its proper divisors (1057659615).
1442263005 is a wasteful number, since it uses less digits than its factorization.
1442263005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32050300 (or 32050297 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
The square root of 1442263005 is about 37977.1379253361. The cubic root of 1442263005 is about 1129.8344720600.
Adding to 1442263005 its reverse (5003622441), we get a palindrome (6445885446).
The spelling of 1442263005 in words is "one billion, four hundred forty-two million, two hundred sixty-three thousand, five".
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