Base | Representation |
---|---|
bin | 1001011011011001… |
… | …0001001010110100 |
3 | 20112101011101121011 |
4 | 2112312101022310 |
5 | 20140341333000 |
6 | 1055044002004 |
7 | 116500342303 |
oct | 22666211264 |
9 | 6471141534 |
10 | 2530808500 |
11 | 1089636980 |
12 | 5a7690304 |
13 | 31442842c |
14 | 1a019043a |
15 | ec2b42ba |
hex | 96d912b4 |
2530808500 has 48 divisors (see below), whose sum is σ = 6029779392. Its totient is φ = 920292000.
The previous prime is 2530808477. The next prime is 2530808503. The reversal of 2530808500 is 58080352.
It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2530808503) 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, 224574 + ... + 235573.
It is an arithmetic number, because the mean of its divisors is an integer number (125620404).
Almost surely, 22530808500 is an apocalyptic number.
2530808500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2530808500 is an abundant number, since it is smaller than the sum of its proper divisors (3498970892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2530808500 is a wasteful number, since it uses less digits than its factorization.
2530808500 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 460177 (or 460165 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 31.
The square root of 2530808500 is about 50307.1416401290. The cubic root of 2530808500 is about 1362.7612045856.
Adding to 2530808500 its reverse (58080352), we get a palindrome (2588888852).
The spelling of 2530808500 in words is "two billion, five hundred thirty million, eight hundred eight thousand, five hundred".
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