Base | Representation |
---|---|
bin | 101010111111110… |
… | …1000011111010010 |
3 | 10201112210000002010 |
4 | 1111333220133102 |
5 | 10423320304044 |
6 | 355055003350 |
7 | 50516060346 |
oct | 12577503722 |
9 | 3645700063 |
10 | 1442744274 |
11 | 680434144 |
12 | 343209556 |
13 | 19cb9644a |
14 | d987b626 |
15 | 869d9bb9 |
hex | 55fe87d2 |
1442744274 has 16 divisors (see below), whose sum is σ = 2911962240. Its totient is φ = 476502480.
The previous prime is 1442744273. The next prime is 1442744279. The reversal of 1442744274 is 4724472441.
It is a super-2 number, since 2×14427442742 = 4163022080319574152, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1442744273) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 1102362 + ... + 1103669.
It is an arithmetic number, because the mean of its divisors is an integer number (181997640).
Almost surely, 21442744274 is an apocalyptic number.
1442744274 is an abundant number, since it is smaller than the sum of its proper divisors (1469217966).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1442744274 is a wasteful number, since it uses less digits than its factorization.
1442744274 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2206145.
The product of its digits is 200704, while the sum is 39.
The square root of 1442744274 is about 37983.4736958062. The cubic root of 1442744274 is about 1129.9601296398.
The spelling of 1442744274 in words is "one billion, four hundred forty-two million, seven hundred forty-four thousand, two hundred seventy-four".
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