Base | Representation |
---|---|
bin | 111100110010… |
… | …1100000011101 |
3 | 2012222022121110 |
4 | 1321211200131 |
5 | 31124414203 |
6 | 3055052233 |
7 | 534626232 |
oct | 171454035 |
9 | 65868543 |
10 | 31873053 |
11 | 16a9a773 |
12 | a811079 |
13 | 67ac6c4 |
14 | 4339789 |
15 | 2be8d03 |
hex | 1e6581d |
31873053 has 16 divisors (see below), whose sum is σ = 44292096. Its totient is φ = 20364720.
The previous prime is 31873033. The next prime is 31873081. The reversal of 31873053 is 35037813.
It is not a de Polignac number, because 31873053 - 221 = 29775901 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 31873053.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31873033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8350 + ... + 11552.
It is an arithmetic number, because the mean of its divisors is an integer number (2768256).
Almost surely, 231873053 is an apocalyptic number.
It is an amenable number.
31873053 is a deficient number, since it is larger than the sum of its proper divisors (12419043).
31873053 is a wasteful number, since it uses less digits than its factorization.
31873053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3344.
The product of its (nonzero) digits is 7560, while the sum is 30.
The square root of 31873053 is about 5645.6224634667. The cubic root of 31873053 is about 317.0598294196.
The spelling of 31873053 in words is "thirty-one million, eight hundred seventy-three thousand, fifty-three".
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