Base | Representation |
---|---|
bin | 101010111110111… |
… | …1111010011111111 |
3 | 10201111222010010110 |
4 | 1111331333103333 |
5 | 10423213012341 |
6 | 355041441103 |
7 | 50512314354 |
oct | 12575772377 |
9 | 3644863113 |
10 | 1442313471 |
11 | 68016a505 |
12 | 343040193 |
13 | 19ca75331 |
14 | d97a862b |
15 | 86952216 |
hex | 55f7f4ff |
1442313471 has 8 divisors (see below), whose sum is σ = 1985119744. Its totient is φ = 930524760.
The previous prime is 1442313451. The next prime is 1442313497. The reversal of 1442313471 is 1743132441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1442313471 - 27 = 1442313343 is a prime.
It is a super-3 number, since 3×14423134713 (a number of 28 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1442313401) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7754281 + ... + 7754466.
It is an arithmetic number, because the mean of its divisors is an integer number (248139968).
Almost surely, 21442313471 is an apocalyptic number.
1442313471 is a deficient number, since it is larger than the sum of its proper divisors (542806273).
1442313471 is a wasteful number, since it uses less digits than its factorization.
1442313471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15508781.
The product of its digits is 8064, while the sum is 30.
The square root of 1442313471 is about 37977.8023455808. The cubic root of 1442313471 is about 1129.8476498603.
The spelling of 1442313471 in words is "one billion, four hundred forty-two million, three hundred thirteen thousand, four hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •