Base | Representation |
---|---|
bin | 101001011111001… |
… | …0000111110011001 |
3 | 10121000101200022211 |
4 | 1102332100332121 |
5 | 10322331213134 |
6 | 350044315121 |
7 | 46332156652 |
oct | 12276207631 |
9 | 3530350284 |
10 | 1392054169 |
11 | 6548619a0 |
12 | 32a242aa1 |
13 | 192528bbc |
14 | d2c44529 |
15 | 82325764 |
hex | 52f90f99 |
1392054169 has 16 divisors (see below), whose sum is σ = 1550565504. Its totient is φ = 1238972800.
The previous prime is 1392054149. The next prime is 1392054193. The reversal of 1392054169 is 9614502931.
It is a cyclic number.
It is not a de Polignac number, because 1392054169 - 25 = 1392054137 is a prime.
It is a super-2 number, since 2×13920541692 = 3875629618860561122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1392054149) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 301452 + ... + 306034.
It is an arithmetic number, because the mean of its divisors is an integer number (96910344).
Almost surely, 21392054169 is an apocalyptic number.
It is an amenable number.
1392054169 is a deficient number, since it is larger than the sum of its proper divisors (158511335).
1392054169 is a wasteful number, since it uses less digits than its factorization.
1392054169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5168.
The product of its (nonzero) digits is 58320, while the sum is 40.
The square root of 1392054169 is about 37310.2421460917. The cubic root of 1392054169 is about 1116.5685175288.
The spelling of 1392054169 in words is "one billion, three hundred ninety-two million, fifty-four thousand, one hundred sixty-nine".
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