Base | Representation |
---|---|
bin | 101010111110111… |
… | …0100110110110001 |
3 | 10201111212221101011 |
4 | 1111331310312301 |
5 | 10423210130031 |
6 | 355040510521 |
7 | 50512045450 |
oct | 12575646661 |
9 | 3644787334 |
10 | 1442270641 |
11 | 680140309 |
12 | 34301b441 |
13 | 19ca5b9a6 |
14 | d9796b97 |
15 | 869446b1 |
hex | 55f74db1 |
1442270641 has 32 divisors (see below), whose sum is σ = 1718032896. Its totient is φ = 1185408000.
The previous prime is 1442270597. The next prime is 1442270657. The reversal of 1442270641 is 1460722441.
It is not a de Polignac number, because 1442270641 - 27 = 1442270513 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1442270671) 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 31 ways as a sum of consecutive naturals, for example, 3425611 + ... + 3426031.
It is an arithmetic number, because the mean of its divisors is an integer number (53688528).
Almost surely, 21442270641 is an apocalyptic number.
It is an amenable number.
1442270641 is a deficient number, since it is larger than the sum of its proper divisors (275762255).
1442270641 is a wasteful number, since it uses less digits than its factorization.
1442270641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 673.
The product of its (nonzero) digits is 10752, while the sum is 31.
The square root of 1442270641 is about 37977.2384593720. The cubic root of 1442270641 is about 1129.8364660100.
The spelling of 1442270641 in words is "one billion, four hundred forty-two million, two hundred seventy thousand, six hundred forty-one".
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