Base | Representation |
---|---|
bin | 10001011111100… |
… | …000001110111001 |
3 | 202110012212202021 |
4 | 101133200032321 |
5 | 1100112034121 |
6 | 45042034441 |
7 | 10162315024 |
oct | 2137401671 |
9 | 673185667 |
10 | 293471161 |
11 | 140725255 |
12 | 82348a21 |
13 | 48a53199 |
14 | 2ad941bb |
15 | 1ab6e641 |
hex | 117e03b9 |
293471161 has 9 divisors (see below), whose sum is σ = 302270031. Its totient is φ = 284922792.
The previous prime is 293471137. The next prime is 293471177. The reversal of 293471161 is 161174392.
The square root of 293471161 is 17131.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 262602025 + 30869136 = 16205^2 + 5556^2 .
It is not a de Polignac number, because 293471161 - 27 = 293471033 is a prime.
It is a super-2 number, since 2×2934711612 = 172250644677375842, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (293471111) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 633616 + ... + 634078.
It is an arithmetic number, because the mean of its divisors is an integer number (33585559).
Almost surely, 2293471161 is an apocalyptic number.
293471161 is the 17131-st square number.
293471161 is the 8566-th centered octagonal number.
It is an amenable number.
293471161 is a deficient number, since it is larger than the sum of its proper divisors (8798870).
293471161 is an frugal number, since it uses more digits than its factorization.
293471161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1000 (or 500 counting only the distinct ones).
The product of its digits is 9072, while the sum is 34.
The cubic root of 293471161 is about 664.5410449963.
The spelling of 293471161 in words is "two hundred ninety-three million, four hundred seventy-one thousand, one hundred sixty-one".
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