Base | Representation |
---|---|
bin | 1100001100100… |
… | …11100111110010 |
3 | 21010112012220010 |
4 | 12012103213302 |
5 | 202143112110 |
6 | 14052555350 |
7 | 2351450631 |
oct | 606234762 |
9 | 233465803 |
10 | 102316530 |
11 | 52833a18 |
12 | 2a322b56 |
13 | 18275034 |
14 | d835518 |
15 | 8eb1020 |
hex | 61939f2 |
102316530 has 32 divisors (see below), whose sum is σ = 245859264. Its totient is φ = 27251136.
The previous prime is 102316519. The next prime is 102316537. The reversal of 102316530 is 35613201.
It is a super-2 number, since 2×1023165302 = 20937344622481800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 102316497 and 102316506.
It is not an unprimeable number, because it can be changed into a prime (102316537) 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, 32172 + ... + 35208.
It is an arithmetic number, because the mean of its divisors is an integer number (7683102).
Almost surely, 2102316530 is an apocalyptic number.
102316530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
102316530 is an abundant number, since it is smaller than the sum of its proper divisors (143542734).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102316530 is a wasteful number, since it uses less digits than its factorization.
102316530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4170.
The product of its (nonzero) digits is 540, while the sum is 21.
The square root of 102316530 is about 10115.1633699115. The cubic root of 102316530 is about 467.7156849334.
Adding to 102316530 its reverse (35613201), we get a palindrome (137929731).
It can be divided in two parts, 10231 and 6530, that added together give a palindrome (16761).
The spelling of 102316530 in words is "one hundred two million, three hundred sixteen thousand, five hundred thirty".
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