Base | Representation |
---|---|
bin | 10110101101011… |
… | …000101110100110 |
3 | 222112220121222011 |
4 | 112231120232212 |
5 | 1240013342033 |
6 | 101450024434 |
7 | 12304263010 |
oct | 2655305646 |
9 | 875817864 |
10 | 380996518 |
11 | 186076361 |
12 | a771811a |
13 | 60c19936 |
14 | 388591b0 |
15 | 236acccd |
hex | 16b58ba6 |
380996518 has 32 divisors (see below), whose sum is σ = 698181120. Its totient is φ = 152370240.
The previous prime is 380996513. The next prime is 380996521. The reversal of 380996518 is 815699083.
It is a plaindrome in base 15.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380996513) 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, 1228 + ... + 27631.
It is an arithmetic number, because the mean of its divisors is an integer number (21818160).
Almost surely, 2380996518 is an apocalyptic number.
380996518 is a deficient number, since it is larger than the sum of its proper divisors (317184602).
380996518 is a wasteful number, since it uses less digits than its factorization.
380996518 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28932.
The product of its (nonzero) digits is 466560, while the sum is 49.
The square root of 380996518 is about 19519.1321016074. The cubic root of 380996518 is about 724.9482439470.
The spelling of 380996518 in words is "three hundred eighty million, nine hundred ninety-six thousand, five hundred eighteen".
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