Base | Representation |
---|---|
bin | 1100001100110… |
… | …10101100111010 |
3 | 21010120200200012 |
4 | 12012122230322 |
5 | 202200024110 |
6 | 14053341522 |
7 | 2351631320 |
oct | 606325472 |
9 | 233520605 |
10 | 102345530 |
11 | 52853791 |
12 | 2a3378a2 |
13 | 182852b1 |
14 | d841d10 |
15 | 8eb9905 |
hex | 619ab3a |
102345530 has 32 divisors (see below), whose sum is σ = 214116480. Its totient is φ = 34493760.
The previous prime is 102345517. The next prime is 102345541. The reversal of 102345530 is 35543201.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 102345496 and 102345505.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8261 + ... + 16520.
It is an arithmetic number, because the mean of its divisors is an integer number (6691140).
Almost surely, 2102345530 is an apocalyptic number.
102345530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
102345530 is an abundant number, since it is smaller than the sum of its proper divisors (111770950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102345530 is a wasteful number, since it uses less digits than its factorization.
102345530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24854.
The product of its (nonzero) digits is 1800, while the sum is 23.
The square root of 102345530 is about 10116.5967597804. The cubic root of 102345530 is about 467.7598696270.
Adding to 102345530 its reverse (35543201), we get a palindrome (137888731).
The spelling of 102345530 in words is "one hundred two million, three hundred forty-five thousand, five hundred thirty".
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