Base | Representation |
---|---|
bin | 111001111001001… |
… | …0111000001111100 |
3 | 12000101022100200020 |
4 | 1303302113001330 |
5 | 12434300100442 |
6 | 520432132140 |
7 | 66065445354 |
oct | 16362270174 |
9 | 5011270606 |
10 | 1942581372 |
11 | 90759a156 |
12 | 462697050 |
13 | 24c5c2344 |
14 | 145dcdb64 |
15 | b581e9ec |
hex | 73c9707c |
1942581372 has 24 divisors (see below), whose sum is σ = 4609516800. Its totient is φ = 636551856.
The previous prime is 1942581367. The next prime is 1942581397. The reversal of 1942581372 is 2731852491.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371172 + ... + 1372587.
It is an arithmetic number, because the mean of its divisors is an integer number (192063200).
Almost surely, 21942581372 is an apocalyptic number.
1942581372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1942581372 is an abundant number, since it is smaller than the sum of its proper divisors (2666935428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1942581372 is a wasteful number, since it uses less digits than its factorization.
1942581372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2743825 (or 2743823 counting only the distinct ones).
The product of its digits is 120960, while the sum is 42.
The square root of 1942581372 is about 44074.7248658457. The cubic root of 1942581372 is about 1247.7466330040.
The spelling of 1942581372 in words is "one billion, nine hundred forty-two million, five hundred eighty-one thousand, three hundred seventy-two".
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