Base | Representation |
---|---|
bin | 1100001100110… |
… | …10000000011111 |
3 | 21010120112202220 |
4 | 12012122000133 |
5 | 202144431222 |
6 | 14053320423 |
7 | 2351620116 |
oct | 606320037 |
9 | 233515686 |
10 | 102342687 |
11 | 52851637 |
12 | 2a336113 |
13 | 18283c05 |
14 | d840c7d |
15 | 8eb8b5c |
hex | 619a01f |
102342687 has 16 divisors (see below), whose sum is σ = 141493248. Its totient is φ = 65730240.
The previous prime is 102342679. The next prime is 102342697. The reversal of 102342687 is 786243201.
It is not a de Polignac number, because 102342687 - 23 = 102342679 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102342637) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19308 + ... + 24030.
It is an arithmetic number, because the mean of its divisors is an integer number (8843328).
Almost surely, 2102342687 is an apocalyptic number.
102342687 is a deficient number, since it is larger than the sum of its proper divisors (39150561).
102342687 is a wasteful number, since it uses less digits than its factorization.
102342687 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4990.
The product of its (nonzero) digits is 16128, while the sum is 33.
The square root of 102342687 is about 10116.4562471253. The cubic root of 102342687 is about 467.7555383725.
Adding to 102342687 its reverse (786243201), we get a palindrome (888585888).
It can be divided in two parts, 10234 and 2687, that added together give a palindrome (12921).
The spelling of 102342687 in words is "one hundred two million, three hundred forty-two thousand, six hundred eighty-seven".
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