Base | Representation |
---|---|
bin | 10111000100010… |
… | …011000111011010 |
3 | 222222012210002121 |
4 | 113010103013122 |
5 | 1243033042332 |
6 | 102222451454 |
7 | 12406320112 |
oct | 2704230732 |
9 | 888183077 |
10 | 387002842 |
11 | 1894a8a66 |
12 | a9733b8a |
13 | 62240785 |
14 | 39580042 |
15 | 23e97797 |
hex | 171131da |
387002842 has 8 divisors (see below), whose sum is σ = 581346432. Its totient is φ = 193220700.
The previous prime is 387002839. The next prime is 387002879. The reversal of 387002842 is 248200783.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 387002798 and 387002807.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138634 + ... + 141397.
It is an arithmetic number, because the mean of its divisors is an integer number (72668304).
Almost surely, 2387002842 is an apocalyptic number.
387002842 is a deficient number, since it is larger than the sum of its proper divisors (194343590).
387002842 is a wasteful number, since it uses less digits than its factorization.
387002842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 280724.
The product of its (nonzero) digits is 21504, while the sum is 34.
The square root of 387002842 is about 19672.3878062629. The cubic root of 387002842 is about 728.7379469736.
The spelling of 387002842 in words is "three hundred eighty-seven million, two thousand, eight hundred forty-two".
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