Base | Representation |
---|---|
bin | 101010111111000… |
… | …0011011110001011 |
3 | 10201111222222111102 |
4 | 1111332003132023 |
5 | 10423214034012 |
6 | 355042052015 |
7 | 50512415132 |
oct | 12576033613 |
9 | 3644888442 |
10 | 1442330507 |
11 | 680181292 |
12 | 34304a00b |
13 | 19ca80007 |
14 | d97b0919 |
15 | 869572c2 |
hex | 55f8378b |
1442330507 has 12 divisors (see below), whose sum is σ = 1555053240. Its totient is φ = 1337208576.
The previous prime is 1442330443. The next prime is 1442330509. The reversal of 1442330507 is 7050332441.
It is a happy number.
It is not a de Polignac number, because 1442330507 - 26 = 1442330443 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1442330507.
It is not an unprimeable number, because it can be changed into a prime (1442330509) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17882 + ... + 56607.
It is an arithmetic number, because the mean of its divisors is an integer number (129587770).
Almost surely, 21442330507 is an apocalyptic number.
1442330507 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
1442330507 is a deficient number, since it is larger than the sum of its proper divisors (112722733).
1442330507 is an equidigital number, since it uses as much as digits as its factorization.
1442330507 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74590 (or 74573 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 29.
The square root of 1442330507 is about 37978.0266338313. The cubic root of 1442330507 is about 1129.8520982711.
Adding to 1442330507 its reverse (7050332441), we get a palindrome (8492662948).
The spelling of 1442330507 in words is "one billion, four hundred forty-two million, three hundred thirty thousand, five hundred seven".
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