Base | Representation |
---|---|
bin | 10111000111100… |
… | …011111110100110 |
3 | 1000000211020121210 |
4 | 113013203332212 |
5 | 1243242431332 |
6 | 102253052250 |
7 | 12416512224 |
oct | 2707437646 |
9 | 1000736553 |
10 | 387858342 |
11 | 189a32793 |
12 | a9a87086 |
13 | 6247cca1 |
14 | 39723b14 |
15 | 240b5ecc |
hex | 171e3fa6 |
387858342 has 16 divisors (see below), whose sum is σ = 776123712. Its totient is φ = 129218280.
The previous prime is 387858311. The next prime is 387858379. The reversal of 387858342 is 243858783.
It is a junction number, because it is equal to n+sod(n) for n = 387858291 and 387858300.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3784 + ... + 28107.
It is an arithmetic number, because the mean of its divisors is an integer number (48507732).
Almost surely, 2387858342 is an apocalyptic number.
387858342 is an abundant number, since it is smaller than the sum of its proper divisors (388265370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
387858342 is a wasteful number, since it uses less digits than its factorization.
387858342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33923.
The product of its digits is 1290240, while the sum is 48.
The square root of 387858342 is about 19694.1194776512. The cubic root of 387858342 is about 729.2745291596.
The spelling of 387858342 in words is "three hundred eighty-seven million, eight hundred fifty-eight thousand, three hundred forty-two".
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