Base | Representation |
---|---|
bin | 10111011111111… |
… | …111000000000001 |
3 | 1000110212111201001 |
4 | 113133333000001 |
5 | 1301412313411 |
6 | 103042212001 |
7 | 12525105316 |
oct | 2737770001 |
9 | 1013774631 |
10 | 394260481 |
11 | 19260580a |
12 | b0054001 |
13 | 638b2034 |
14 | 3a50cd0d |
15 | 2492cdc1 |
hex | 177ff001 |
394260481 has 32 divisors (see below), whose sum is σ = 447897600. Its totient is φ = 345246720.
The previous prime is 394260467. The next prime is 394260497. The reversal of 394260481 is 184062493.
It is a cyclic number.
It is not a de Polignac number, because 394260481 - 27 = 394260353 is a prime.
It is a super-2 number, since 2×3942604812 = 310882653756702722, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 394260481.
It is not an unprimeable number, because it can be changed into a prime (394260401) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2064096 + ... + 2064286.
It is an arithmetic number, because the mean of its divisors is an integer number (13996800).
Almost surely, 2394260481 is an apocalyptic number.
It is an amenable number.
394260481 is a deficient number, since it is larger than the sum of its proper divisors (53637119).
394260481 is a wasteful number, since it uses less digits than its factorization.
394260481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 369.
The product of its (nonzero) digits is 41472, while the sum is 37.
The square root of 394260481 is about 19855.9935787661. The cubic root of 394260481 is about 733.2652137598.
The spelling of 394260481 in words is "three hundred ninety-four million, two hundred sixty thousand, four hundred eighty-one".
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