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266703425 = 5210668137
BaseRepresentation
bin11111110010110…
…01001001000001
3200120211221022122
433321121021001
51021234002200
642244214025
76415641002
oct1771311101
9616757278
10266703425
1112760225a
127539a315
13433404a1
14275c71a9
1518633385
hexfe59241

266703425 has 6 divisors (see below), whose sum is σ = 330712278. Its totient is φ = 213362720.

The previous prime is 266703421. The next prime is 266703431. The reversal of 266703425 is 524307662.

266703425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 132496 + 266570929 = 364^2 + 16327^2 .

It is not a de Polignac number, because 266703425 - 22 = 266703421 is a prime.

It is a super-2 number, since 2×2667034252 = 142261433813461250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266703421) 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, 5334044 + ... + 5334093.

It is an arithmetic number, because the mean of its divisors is an integer number (55118713).

Almost surely, 2266703425 is an apocalyptic number.

266703425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

266703425 is a deficient number, since it is larger than the sum of its proper divisors (64008853).

266703425 is a wasteful number, since it uses less digits than its factorization.

266703425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10668147 (or 10668142 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 266703425 is about 16331.0570692775. The cubic root of 266703425 is about 643.6891631955.

The spelling of 266703425 in words is "two hundred sixty-six million, seven hundred three thousand, four hundred twenty-five".

Divisors: 1 5 25 10668137 53340685 266703425