Base | Representation |
---|---|
bin | 101010111111000… |
… | …0011110001111110 |
3 | 10201112000001020100 |
4 | 1111332003301332 |
5 | 10423214104044 |
6 | 355042101530 |
7 | 50512421622 |
oct | 12576036176 |
9 | 3645001210 |
10 | 1442331774 |
11 | 680182234 |
12 | 34304a8a6 |
13 | 19ca80770 |
14 | d97b1182 |
15 | 86957869 |
hex | 55f83c7e |
1442331774 has 48 divisors (see below), whose sum is σ = 3395285712. Its totient is φ = 439858944.
The previous prime is 1442331767. The next prime is 1442331811. The reversal of 1442331774 is 4771332441.
It is a super-3 number, since 3×14423317743 (a number of 28 digits) contains 333 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 832 + ... + 53715.
It is an arithmetic number, because the mean of its divisors is an integer number (70735119).
Almost surely, 21442331774 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1442331774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1697642856).
1442331774 is an abundant number, since it is smaller than the sum of its proper divisors (1952953938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1442331774 is a wasteful number, since it uses less digits than its factorization.
1442331774 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54681 (or 54678 counting only the distinct ones).
The product of its digits is 56448, while the sum is 36.
The square root of 1442331774 is about 37978.0433145258. The cubic root of 1442331774 is about 1129.8524291066.
The spelling of 1442331774 in words is "one billion, four hundred forty-two million, three hundred thirty-one thousand, seven hundred seventy-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •