Base | Representation |
---|---|
bin | 111110110101111… |
… | …010100010111111 |
3 | 2201110220001021200 |
4 | 332311322202333 |
5 | 4124401231311 |
6 | 252341430543 |
7 | 35061402444 |
oct | 7665724277 |
9 | 2643801250 |
10 | 1054320831 |
11 | 4a1155933 |
12 | 25510b453 |
13 | 13a5791a5 |
14 | a004b9cb |
15 | 62861556 |
hex | 3ed7a8bf |
1054320831 has 6 divisors (see below), whose sum is σ = 1522907880. Its totient is φ = 702880548.
The previous prime is 1054320821. The next prime is 1054320857. The reversal of 1054320831 is 1380234501.
It is a happy number.
It is not a de Polignac number, because 1054320831 - 210 = 1054319807 is a prime.
It is a super-2 number, since 2×10543208312 = 2223184829361061122, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1054320795 and 1054320804.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1054320821) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58573371 + ... + 58573388.
It is an arithmetic number, because the mean of its divisors is an integer number (253817980).
Almost surely, 21054320831 is an apocalyptic number.
1054320831 is a deficient number, since it is larger than the sum of its proper divisors (468587049).
1054320831 is a wasteful number, since it uses less digits than its factorization.
1054320831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117146765 (or 117146762 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 1054320831 is about 32470.3069126240. The cubic root of 1054320831 is about 1017.7886319232.
The spelling of 1054320831 in words is "one billion, fifty-four million, three hundred twenty thousand, eight hundred thirty-one".
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