Base | Representation |
---|---|
bin | 10111011011110… |
… | …100110101000001 |
3 | 1000101211010011210 |
4 | 113123310311001 |
5 | 1301122421431 |
6 | 103003000333 |
7 | 12512614632 |
oct | 2733646501 |
9 | 1011733153 |
10 | 393170241 |
11 | 191a30692 |
12 | ab8090a9 |
13 | 635bca19 |
14 | 3a307889 |
15 | 247b4d46 |
hex | 176f4d41 |
393170241 has 8 divisors (see below), whose sum is σ = 541137664. Its totient is φ = 253658160.
The previous prime is 393170201. The next prime is 393170263. The reversal of 393170241 is 142071393.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 393170241 - 29 = 393169729 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 393170199 and 393170208.
It is not an unprimeable number, because it can be changed into a prime (393170201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2113726 + ... + 2113911.
It is an arithmetic number, because the mean of its divisors is an integer number (67642208).
Almost surely, 2393170241 is an apocalyptic number.
393170241 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
393170241 is a deficient number, since it is larger than the sum of its proper divisors (147967423).
393170241 is a wasteful number, since it uses less digits than its factorization.
393170241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4227671.
The product of its (nonzero) digits is 4536, while the sum is 30.
The square root of 393170241 is about 19828.5208979389. The cubic root of 393170241 is about 732.5886956318.
The spelling of 393170241 in words is "three hundred ninety-three million, one hundred seventy thousand, two hundred forty-one".
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