Base | Representation |
---|---|
bin | 10110111100111… |
… | …001100011100111 |
3 | 222211120020022220 |
4 | 112330321203213 |
5 | 1242034010033 |
6 | 102113123423 |
7 | 12353661033 |
oct | 2674714347 |
9 | 884506286 |
10 | 385063143 |
11 | 1883a3703 |
12 | a8b59573 |
13 | 61a1191a |
14 | 391d71c3 |
15 | 23c12bb3 |
hex | 16f398e7 |
385063143 has 16 divisors (see below), whose sum is σ = 521241600. Its totient is φ = 252813600.
The previous prime is 385063127. The next prime is 385063153. The reversal of 385063143 is 341360583.
It is not a de Polignac number, because 385063143 - 24 = 385063127 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (385063123) 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, 102193 + ... + 105893.
It is an arithmetic number, because the mean of its divisors is an integer number (32577600).
Almost surely, 2385063143 is an apocalyptic number.
385063143 is a deficient number, since it is larger than the sum of its proper divisors (136178457).
385063143 is a wasteful number, since it uses less digits than its factorization.
385063143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4222.
The product of its (nonzero) digits is 25920, while the sum is 33.
The square root of 385063143 is about 19623.0258370110. The cubic root of 385063143 is about 727.5184034267.
The spelling of 385063143 in words is "three hundred eighty-five million, sixty-three thousand, one hundred forty-three".
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