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2504104220 = 225125205211
BaseRepresentation
bin1001010101000001…
…1001100100011100
320110111220200012202
42111100121210130
520112022313340
61052251351032
7116024351252
oct22520314434
96414820182
102504104220
111075557622
1259a752478
1330ba38597
1419a7dc5d2
15e9c8bc15
hex9541991c

2504104220 has 12 divisors (see below), whose sum is σ = 5258618904. Its totient is φ = 1001641680.

The previous prime is 2504104217. The next prime is 2504104247. The reversal of 2504104220 is 224014052.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 125205211 = 2504104220 / (2 + 5 + 0 + 4 + 1 + 0 + 4 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2504104192 and 2504104201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62602586 + ... + 62602625.

It is an arithmetic number, because the mean of its divisors is an integer number (438218242).

Almost surely, 22504104220 is an apocalyptic number.

2504104220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2504104220 is an abundant number, since it is smaller than the sum of its proper divisors (2754514684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2504104220 is a wasteful number, since it uses less digits than its factorization.

2504104220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125205220 (or 125205218 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2504104220 is about 50041.0253691908. The cubic root of 2504104220 is about 1357.9511067094.

Adding to 2504104220 its reverse (224014052), we get a palindrome (2728118272).

The spelling of 2504104220 in words is "two billion, five hundred four million, one hundred four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 125205211 250410422 500820844 626026055 1252052110 2504104220