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10203425 = 52408137
BaseRepresentation
bin100110111011…
…000100100001
3201012101110122
4212323010201
510103002200
61002410025
7152504411
oct46730441
921171418
1010203425
115839a91
123500915
13216333b
1414d8641
15d68385
hex9bb121

10203425 has 6 divisors (see below), whose sum is σ = 12652278. Its totient is φ = 8162720.

The previous prime is 10203397. The next prime is 10203443. The reversal of 10203425 is 52430201.

It can be written as a sum of positive squares in 3 ways, for example, as 512656 + 9690769 = 716^2 + 3113^2 .

It is not a de Polignac number, because 10203425 - 214 = 10187041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 204044 + ... + 204093.

It is an arithmetic number, because the mean of its divisors is an integer number (2108713).

Almost surely, 210203425 is an apocalyptic number.

It is an amenable number.

10203425 is a deficient number, since it is larger than the sum of its proper divisors (2448853).

10203425 is an equidigital number, since it uses as much as digits as its factorization.

10203425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408147 (or 408142 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 10203425 is about 3194.2800440788. The cubic root of 10203425 is about 216.8945596889.

Adding to 10203425 its reverse (52430201), we get a palindrome (62633626).

The spelling of 10203425 in words is "ten million, two hundred three thousand, four hundred twenty-five".

Divisors: 1 5 25 408137 2040685 10203425