Base | Representation |
---|---|
bin | 1000001010110110… |
… | …01111010001011100 |
3 | 102022200000120102120 |
4 | 10011123033101130 |
5 | 32440303300240 |
6 | 2003115022540 |
7 | 213455221665 |
oct | 40533172134 |
9 | 12280016376 |
10 | 4385993820 |
11 | 195086308a |
12 | a24a3aa50 |
13 | 54b89ab20 |
14 | 2d871036c |
15 | 1aa0bdad0 |
hex | 1056cf45c |
4385993820 has 96 divisors (see below), whose sum is σ = 13921582080. Its totient is φ = 1022803200.
The previous prime is 4385993791. The next prime is 4385993837. The reversal of 4385993820 is 283995834.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133156 + ... + 162795.
It is an arithmetic number, because the mean of its divisors is an integer number (145016480).
Almost surely, 24385993820 is an apocalyptic number.
It is an amenable number.
4385993820 is an abundant number, since it is smaller than the sum of its proper divisors (9535588260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4385993820 is a wasteful number, since it uses less digits than its factorization.
4385993820 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 295995 (or 295993 counting only the distinct ones).
The product of its (nonzero) digits is 1866240, while the sum is 51.
The square root of 4385993820 is about 66226.8361013872. The cubic root of 4385993820 is about 1636.9019716262.
The spelling of 4385993820 in words is "four billion, three hundred eighty-five million, nine hundred ninety-three thousand, eight hundred twenty".
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