Base | Representation |
---|---|
bin | 10111001001111… |
… | …111110010011110 |
3 | 1000002000200001211 |
4 | 113021333302132 |
5 | 1243423342132 |
6 | 102314455034 |
7 | 12425110660 |
oct | 2711776236 |
9 | 1002020054 |
10 | 388496542 |
11 | 18a329225 |
12 | aa13447a |
13 | 62644615 |
14 | 3984c530 |
15 | 24190147 |
hex | 1727fc9e |
388496542 has 24 divisors (see below), whose sum is σ = 696222576. Its totient is φ = 159256416.
The previous prime is 388496513. The next prime is 388496561. The reversal of 388496542 is 245694883.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18823 + ... + 33634.
It is an arithmetic number, because the mean of its divisors is an integer number (29009274).
Almost surely, 2388496542 is an apocalyptic number.
388496542 is a deficient number, since it is larger than the sum of its proper divisors (307726034).
388496542 is a wasteful number, since it uses less digits than its factorization.
388496542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52512 (or 52489 counting only the distinct ones).
The product of its digits is 1658880, while the sum is 49.
The square root of 388496542 is about 19710.3156240584. The cubic root of 388496542 is about 729.6743039494.
The spelling of 388496542 in words is "three hundred eighty-eight million, four hundred ninety-six thousand, five hundred forty-two".
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