Base | Representation |
---|---|
bin | 10111011100001… |
… | …001010010110111 |
3 | 1000101222101011121 |
4 | 113130021102313 |
5 | 1301133112241 |
6 | 103004444411 |
7 | 12513414220 |
oct | 2734112267 |
9 | 1011871147 |
10 | 393254071 |
11 | 191a88671 |
12 | ab849707 |
13 | 6361bc22 |
14 | 3a32a247 |
15 | 247cead1 |
hex | 177094b7 |
393254071 has 8 divisors (see below), whose sum is σ = 452297120. Its totient is φ = 334927008.
The previous prime is 393254063. The next prime is 393254089. The reversal of 393254071 is 170452393.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 393254071 - 23 = 393254063 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (393254051) 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, 177816 + ... + 180013.
It is an arithmetic number, because the mean of its divisors is an integer number (56537140).
Almost surely, 2393254071 is an apocalyptic number.
393254071 is a deficient number, since it is larger than the sum of its proper divisors (59043049).
393254071 is a wasteful number, since it uses less digits than its factorization.
393254071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 357993.
The product of its (nonzero) digits is 22680, while the sum is 34.
The square root of 393254071 is about 19830.6346595362. The cubic root of 393254071 is about 732.6407583600.
The spelling of 393254071 in words is "three hundred ninety-three million, two hundred fifty-four thousand, seventy-one".
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