Base | Representation |
---|---|
bin | 10110111100110… |
… | …011001101010110 |
3 | 222211111220122220 |
4 | 112330303031112 |
5 | 1242032142032 |
6 | 102112403210 |
7 | 12353522160 |
oct | 2674631526 |
9 | 884456586 |
10 | 385037142 |
11 | 188386116 |
12 | a8b46506 |
13 | 61a02b39 |
14 | 391cb930 |
15 | 23c0a12c |
hex | 16f33356 |
385037142 has 16 divisors (see below), whose sum is σ = 880084992. Its totient is φ = 110010600.
The previous prime is 385037119. The next prime is 385037161. The reversal of 385037142 is 241730583.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4583734 + ... + 4583817.
It is an arithmetic number, because the mean of its divisors is an integer number (55005312).
Almost surely, 2385037142 is an apocalyptic number.
385037142 is an abundant number, since it is smaller than the sum of its proper divisors (495047850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
385037142 is a wasteful number, since it uses less digits than its factorization.
385037142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9167563.
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 385037142 is about 19622.3633133219. The cubic root of 385037142 is about 727.5020280762.
The spelling of 385037142 in words is "three hundred eighty-five million, thirty-seven thousand, one hundred forty-two".
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