Base | Representation |
---|---|
bin | 1100001101011… |
… | …11111100110000 |
3 | 21010202010001112 |
4 | 12012233330300 |
5 | 202210320220 |
6 | 14055252452 |
7 | 2352443126 |
oct | 606577460 |
9 | 233663045 |
10 | 102432560 |
11 | 5290310a |
12 | 2a37a128 |
13 | 182b5aa9 |
14 | d865916 |
15 | 8ed55c5 |
hex | 61aff30 |
102432560 has 20 divisors (see below), whose sum is σ = 238155888. Its totient is φ = 40972992.
The previous prime is 102432559. The next prime is 102432563. The reversal of 102432560 is 65234201.
It is a tau number, because it is divible by the number of its divisors (20).
It is not an unprimeable number, because it can be changed into a prime (102432563) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640124 + ... + 640283.
Almost surely, 2102432560 is an apocalyptic number.
102432560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102432560 is an abundant number, since it is smaller than the sum of its proper divisors (135723328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102432560 is a wasteful number, since it uses less digits than its factorization.
102432560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1280420 (or 1280414 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 102432560 is about 10120.8971934310. The cubic root of 102432560 is about 467.8924193268.
Adding to 102432560 its reverse (65234201), we get a palindrome (167666761).
The spelling of 102432560 in words is "one hundred two million, four hundred thirty-two thousand, five hundred sixty".
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