Base | Representation |
---|---|
bin | 1100010000101… |
… | …10110101110010 |
3 | 21011112112011111 |
4 | 12020112311302 |
5 | 202312312002 |
6 | 14112303534 |
7 | 2356146616 |
oct | 610266562 |
9 | 234475144 |
10 | 102854002 |
11 | 53070809 |
12 | 2a541baa |
13 | 18402874 |
14 | d935346 |
15 | 906a3d7 |
hex | 6216d72 |
102854002 has 4 divisors (see below), whose sum is σ = 154281006. Its totient is φ = 51427000.
The previous prime is 102853987. The next prime is 102854009. The reversal of 102854002 is 200458201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200458201 = 257 ⋅779993.
It can be written as a sum of positive squares in only one way, i.e., 67914081 + 34939921 = 8241^2 + 5911^2 .
It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (102854009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25713499 + ... + 25713502.
Almost surely, 2102854002 is an apocalyptic number.
102854002 is a deficient number, since it is larger than the sum of its proper divisors (51427004).
102854002 is an equidigital number, since it uses as much as digits as its factorization.
102854002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51427003.
The product of its (nonzero) digits is 640, while the sum is 22.
The square root of 102854002 is about 10141.6962092147. The cubic root of 102854002 is about 468.5332302134.
The spelling of 102854002 in words is "one hundred two million, eight hundred fifty-four thousand, two".
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