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7425522241 = 65311371397
BaseRepresentation
bin1101110101001100…
…00111101001000001
3201011111102121120021
412322212013221001
5110201413202431
63224454413441
7352003616614
oct67246075101
921144377507
107425522241
113170571845
121532961281
13914512357
1450628617b
152d6d6eb11
hex1ba987a41

7425522241 has 4 divisors (see below), whose sum is σ = 7436894292. Its totient is φ = 7414150192.

The previous prime is 7425522227. The next prime is 7425522271. The reversal of 7425522241 is 1422255247.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4953344400 + 2472177841 = 70380^2 + 49721^2 .

It is a cyclic number.

It is not a de Polignac number, because 7425522241 - 215 = 7425489473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7425522197 and 7425522206.

It is not an unprimeable number, because it can be changed into a prime (7425522271) 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, 5685046 + ... + 5686351.

It is an arithmetic number, because the mean of its divisors is an integer number (1859223573).

Almost surely, 27425522241 is an apocalyptic number.

It is an amenable number.

7425522241 is a deficient number, since it is larger than the sum of its proper divisors (11372051).

7425522241 is a wasteful number, since it uses less digits than its factorization.

7425522241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11372050.

The product of its digits is 44800, while the sum is 34.

The square root of 7425522241 is about 86171.4699944245. The cubic root of 7425522241 is about 1950.9329080720.

Adding to 7425522241 its reverse (1422255247), we get a palindrome (8847777488).

The spelling of 7425522241 in words is "seven billion, four hundred twenty-five million, five hundred twenty-two thousand, two hundred forty-one".

Divisors: 1 653 11371397 7425522241