Base | Representation |
---|---|
bin | 111001111000111… |
… | …0111000011110011 |
3 | 12000101001201001010 |
4 | 1303301313003303 |
5 | 12434231403134 |
6 | 520425242003 |
7 | 66064361520 |
oct | 16361670363 |
9 | 5011051033 |
10 | 1942450419 |
11 | 90750a828 |
12 | 462633303 |
13 | 24c577860 |
14 | 145d98147 |
15 | b57e5ce9 |
hex | 73c770f3 |
1942450419 has 16 divisors (see below), whose sum is σ = 3187611392. Its totient is φ = 1024589088.
The previous prime is 1942450417. The next prime is 1942450423. The reversal of 1942450419 is 9140542491.
It is not a de Polignac number, because 1942450419 - 21 = 1942450417 is a prime.
It is a super-2 number, since 2×19424504192 = 7546227260546551122, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (1942450417) 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 15 ways as a sum of consecutive naturals, for example, 3557329 + ... + 3557874.
It is an arithmetic number, because the mean of its divisors is an integer number (199225712).
Almost surely, 21942450419 is an apocalyptic number.
1942450419 is a deficient number, since it is larger than the sum of its proper divisors (1245160973).
1942450419 is a wasteful number, since it uses less digits than its factorization.
1942450419 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7115226.
The product of its (nonzero) digits is 51840, while the sum is 39.
The square root of 1942450419 is about 44073.2392614838. The cubic root of 1942450419 is about 1247.7185947385.
The spelling of 1942450419 in words is "one billion, nine hundred forty-two million, four hundred fifty thousand, four hundred nineteen".
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