Base | Representation |
---|---|
bin | 101010111110100… |
… | …0101001001100001 |
3 | 10201111112000022211 |
4 | 1111331011021201 |
5 | 10423132401413 |
6 | 355032402121 |
7 | 50510302654 |
oct | 12575051141 |
9 | 3644460284 |
10 | 1442075233 |
11 | 680017515 |
12 | 342b46341 |
13 | 19c9c0a71 |
14 | d974589b |
15 | 8690683d |
hex | 55f45261 |
1442075233 has 4 divisors (see below), whose sum is σ = 1445517360. Its totient is φ = 1438633108.
The previous prime is 1442075213. The next prime is 1442075287. The reversal of 1442075233 is 3325702441.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1442075233 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1442075195 and 1442075204.
It is not an unprimeable number, because it can be changed into a prime (1442075203) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1720435 + ... + 1721272.
It is an arithmetic number, because the mean of its divisors is an integer number (361379340).
Almost surely, 21442075233 is an apocalyptic number.
It is an amenable number.
1442075233 is a deficient number, since it is larger than the sum of its proper divisors (3442127).
1442075233 is an equidigital number, since it uses as much as digits as its factorization.
1442075233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3442126.
The product of its (nonzero) digits is 20160, while the sum is 31.
The square root of 1442075233 is about 37974.6656733144. The cubic root of 1442075233 is about 1129.7854378951.
Adding to 1442075233 its reverse (3325702441), we get a palindrome (4767777674).
The spelling of 1442075233 in words is "one billion, four hundred forty-two million, seventy-five thousand, two hundred thirty-three".
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