Base | Representation |
---|---|
bin | 100011010111… |
… | …101011010100 |
3 | 122110001211011 |
4 | 203113223110 |
5 | 4333201040 |
6 | 530422004 |
7 | 141545062 |
oct | 43275324 |
9 | 18401734 |
10 | 9272020 |
11 | 526322a |
12 | 3131904 |
13 | 1bc8404 |
14 | 1335032 |
15 | c323ea |
hex | 8d7ad4 |
9272020 has 24 divisors (see below), whose sum is σ = 19693800. Its totient is φ = 3666432.
The previous prime is 9272017. The next prime is 9272033. The reversal of 9272020 is 202729.
It can be written as a sum of positive squares in 4 ways, for example, as 1971216 + 7300804 = 1404^2 + 2702^2 .
It is a junction number, because it is equal to n+sod(n) for n = 9271982 and 9272000.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 825 + ... + 4384.
It is an arithmetic number, because the mean of its divisors is an integer number (820575).
Almost surely, 29272020 is an apocalyptic number.
It is an amenable number.
9272020 is an abundant number, since it is smaller than the sum of its proper divisors (10421780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9272020 is a wasteful number, since it uses less digits than its factorization.
9272020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5307 (or 5305 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 22.
The square root of 9272020 is about 3044.9991789818. Note that the first 3 decimals coincide. The cubic root of 9272020 is about 210.0832625235.
Adding to 9272020 its reverse (202729), we get a palindrome (9474749).
The spelling of 9272020 in words is "nine million, two hundred seventy-two thousand, twenty".
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