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15270425 = 52610817
BaseRepresentation
bin111010010000…
…001000011001
31001201211002022
4322100020121
512402123200
61303144225
7243540122
oct72201031
931654068
1015270425
11868a995
125145075
133218771
142057049
151519885
hexe90219

15270425 has 6 divisors (see below), whose sum is σ = 18935358. Its totient is φ = 12216320.

The previous prime is 15270421. The next prime is 15270449. The reversal of 15270425 is 52407251.

It can be written as a sum of positive squares in 3 ways, for example, as 5776 + 15264649 = 76^2 + 3907^2 .

It is not a de Polignac number, because 15270425 - 22 = 15270421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15270394 and 15270403.

It is not an unprimeable number, because it can be changed into a prime (15270421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 305384 + ... + 305433.

It is an arithmetic number, because the mean of its divisors is an integer number (3155893).

Almost surely, 215270425 is an apocalyptic number.

It is an amenable number.

15270425 is a deficient number, since it is larger than the sum of its proper divisors (3664933).

15270425 is an equidigital number, since it uses as much as digits as its factorization.

15270425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610827 (or 610822 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 15270425 is about 3907.7391161642. The cubic root of 15270425 is about 248.0944456875.

Adding to 15270425 its reverse (52407251), we get a palindrome (67677676).

The spelling of 15270425 in words is "fifteen million, two hundred seventy thousand, four hundred twenty-five".

Divisors: 1 5 25 610817 3054085 15270425