Base | Representation |
---|---|
bin | 101010111110100… |
… | …1111001101101101 |
3 | 10201111121002212210 |
4 | 1111331033031231 |
5 | 10423140211321 |
6 | 355033321033 |
7 | 50510534112 |
oct | 12575171555 |
9 | 3644532783 |
10 | 1442116461 |
11 | 680045495 |
12 | 342b66179 |
13 | 19ca06766 |
14 | d9756909 |
15 | 86913b76 |
hex | 55f4f36d |
1442116461 has 4 divisors (see below), whose sum is σ = 1922821952. Its totient is φ = 961410972.
The previous prime is 1442116457. The next prime is 1442116469. The reversal of 1442116461 is 1646112441.
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 not a de Polignac number, because 1442116461 - 22 = 1442116457 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1442116469) 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, 240352741 + ... + 240352746.
It is an arithmetic number, because the mean of its divisors is an integer number (480705488).
Almost surely, 21442116461 is an apocalyptic number.
It is an amenable number.
1442116461 is a deficient number, since it is larger than the sum of its proper divisors (480705491).
1442116461 is an equidigital number, since it uses as much as digits as its factorization.
1442116461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 480705490.
The product of its digits is 4608, while the sum is 30.
The square root of 1442116461 is about 37975.2085050234. The cubic root of 1442116461 is about 1129.7962044046.
The spelling of 1442116461 in words is "one billion, four hundred forty-two million, one hundred sixteen thousand, four hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •