Base | Representation |
---|---|
bin | 111001110101100… |
… | …0101011010101011 |
3 | 12000020201110112221 |
4 | 1303223011122223 |
5 | 12433303033334 |
6 | 520323214511 |
7 | 66043313221 |
oct | 16353053253 |
9 | 5006643487 |
10 | 1940674219 |
11 | 9065072a0 |
12 | 461b17437 |
13 | 24c0a5253 |
14 | 145a54b11 |
15 | b55948b4 |
hex | 73ac56ab |
1940674219 has 16 divisors (see below), whose sum is σ = 2243687040. Its totient is φ = 1658949760.
The previous prime is 1940674201. The next prime is 1940674249. The reversal of 1940674219 is 9124760491.
It is not a de Polignac number, because 1940674219 - 213 = 1940666027 is a prime.
It is a super-2 number, since 2×19406742192 = 7532432848582519922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1940674249) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231312 + ... + 239554.
It is an arithmetic number, because the mean of its divisors is an integer number (140230440).
Almost surely, 21940674219 is an apocalyptic number.
1940674219 is a deficient number, since it is larger than the sum of its proper divisors (303012821).
1940674219 is a wasteful number, since it uses less digits than its factorization.
1940674219 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9530.
The product of its (nonzero) digits is 108864, while the sum is 43.
The square root of 1940674219 is about 44053.0841031590. The cubic root of 1940674219 is about 1247.3381691353.
The spelling of 1940674219 in words is "one billion, nine hundred forty million, six hundred seventy-four thousand, two hundred nineteen".
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