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2530808500 = 225311460147
BaseRepresentation
bin1001011011011001…
…0001001010110100
320112101011101121011
42112312101022310
520140341333000
61055044002004
7116500342303
oct22666211264
96471141534
102530808500
111089636980
125a7690304
1331442842c
141a019043a
15ec2b42ba
hex96d912b4

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".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 125 220 250 275 500 550 1100 1375 2750 5500 460147 920294 1840588 2300735 4601470 5061617 9202940 10123234 11503675 20246468 23007350 25308085 46014700 50616170 57518375 101232340 115036750 126540425 230073500 253080850 506161700 632702125 1265404250 2530808500