Base | Representation |
---|---|
bin | 11100011111110… |
… | …010001101000101 |
3 | 1020022121200212201 |
4 | 130133302031011 |
5 | 1434343003044 |
6 | 115235114501 |
7 | 14563506331 |
oct | 3437621505 |
9 | 1208550781 |
10 | 478094149 |
11 | 225965235 |
12 | 114142a31 |
13 | 78085360 |
14 | 476d27c1 |
15 | 2be8c7d4 |
hex | 1c7f2345 |
478094149 has 16 divisors (see below), whose sum is σ = 525157360. Its totient is φ = 432552960.
The previous prime is 478094147. The next prime is 478094161. The reversal of 478094149 is 941490874.
It can be written as a sum of positive squares in 8 ways, for example, as 54022500 + 424071649 = 7350^2 + 20593^2 .
It is a cyclic number.
It is not a de Polignac number, because 478094149 - 21 = 478094147 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 478094099 and 478094108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (478094147) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266347 + ... + 268135.
It is an arithmetic number, because the mean of its divisors is an integer number (32822335).
Almost surely, 2478094149 is an apocalyptic number.
It is an amenable number.
478094149 is a deficient number, since it is larger than the sum of its proper divisors (47063211).
478094149 is a wasteful number, since it uses less digits than its factorization.
478094149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2200.
The product of its (nonzero) digits is 290304, while the sum is 46.
The square root of 478094149 is about 21865.3641405763. The cubic root of 478094149 is about 781.9358822416.
The spelling of 478094149 in words is "four hundred seventy-eight million, ninety-four thousand, one hundred forty-nine".
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