Base | Representation |
---|---|
bin | 101000111001… |
… | …001110101011 |
3 | 202011122022101 |
4 | 220321032223 |
5 | 10221021141 |
6 | 1021434231 |
7 | 160056100 |
oct | 50711653 |
9 | 22148271 |
10 | 10720171 |
11 | 6062250 |
12 | 370b977 |
13 | 22b45c7 |
14 | 15d0aa7 |
15 | e1b531 |
hex | a393ab |
10720171 has 12 divisors (see below), whose sum is σ = 13604760. Its totient is φ = 8352960.
The previous prime is 10720163. The next prime is 10720181. The reversal of 10720171 is 17102701.
It is not a de Polignac number, because 10720171 - 23 = 10720163 is a prime.
It is a super-2 number, since 2×107201712 = 229844132538482, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10720181) 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 11 ways as a sum of consecutive naturals, for example, 9406 + ... + 10483.
It is an arithmetic number, because the mean of its divisors is an integer number (1133730).
Almost surely, 210720171 is an apocalyptic number.
10720171 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
10720171 is a deficient number, since it is larger than the sum of its proper divisors (2884589).
10720171 is a wasteful number, since it uses less digits than its factorization.
10720171 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19914 (or 19907 counting only the distinct ones).
The product of its (nonzero) digits is 98, while the sum is 19.
The square root of 10720171 is about 3274.1672223636. The cubic root of 10720171 is about 220.4959266905.
Adding to 10720171 its reverse (17102701), we get a palindrome (27822872).
The spelling of 10720171 in words is "ten million, seven hundred twenty thousand, one hundred seventy-one".
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