Base | Representation |
---|---|
bin | 10111011110001… |
… | …101100111100101 |
3 | 1000102222220122121 |
4 | 113132031213211 |
5 | 1301302433234 |
6 | 103024225541 |
7 | 12521132332 |
oct | 2736154745 |
9 | 1012886577 |
10 | 393796069 |
11 | 1923188a7 |
12 | aba6b2b1 |
13 | 6377b834 |
14 | 3a42b989 |
15 | 2488a4b4 |
hex | 1778d9e5 |
393796069 has 8 divisors (see below), whose sum is σ = 417486848. Its totient is φ = 370792080.
The previous prime is 393796061. The next prime is 393796079. The reversal of 393796069 is 960697393.
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 393796069 - 23 = 393796061 is a prime.
It is a super-3 number, since 3×3937960693 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (393796061) 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, 170517 + ... + 172810.
It is an arithmetic number, because the mean of its divisors is an integer number (52185856).
Almost surely, 2393796069 is an apocalyptic number.
It is an amenable number.
393796069 is a deficient number, since it is larger than the sum of its proper divisors (23690779).
393796069 is a wasteful number, since it uses less digits than its factorization.
393796069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 343395.
The product of its (nonzero) digits is 1653372, while the sum is 52.
The square root of 393796069 is about 19844.2956287191. The cubic root of 393796069 is about 732.9771884751.
The spelling of 393796069 in words is "three hundred ninety-three million, seven hundred ninety-six thousand, sixty-nine".
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