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2531303225 = 52119204739
BaseRepresentation
bin1001011011100000…
…1001111100111001
320112102002112020022
42112320021330321
520141003200400
61055102340225
7116504502533
oct22670117471
96472075208
102531303225
111089944640
125a788a675
1331456c679
141a027c853
15ec360b85
hex96e09f39

2531303225 has 12 divisors (see below), whose sum is σ = 3424163280. Its totient is φ = 1840947600.

The previous prime is 2531303209. The next prime is 2531303279. The reversal of 2531303225 is 5223031352.

It is not a de Polignac number, because 2531303225 - 24 = 2531303209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2531303194 and 2531303203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4602095 + ... + 4602644.

It is an arithmetic number, because the mean of its divisors is an integer number (285346940).

Almost surely, 22531303225 is an apocalyptic number.

2531303225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2531303225 is a deficient number, since it is larger than the sum of its proper divisors (892860055).

2531303225 is a wasteful number, since it uses less digits than its factorization.

2531303225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9204760 (or 9204755 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 2531303225 is about 50312.0584452674. The cubic root of 2531303225 is about 1362.8499967787.

Adding to 2531303225 its reverse (5223031352), we get a palindrome (7754334577).

The spelling of 2531303225 in words is "two billion, five hundred thirty-one million, three hundred three thousand, two hundred twenty-five".

Divisors: 1 5 11 25 55 275 9204739 46023695 101252129 230118475 506260645 2531303225