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10157825 = 52406313
BaseRepresentation
bin100110101111…
…111100000001
3201010001220202
4212233330001
510100022300
61001414545
7152224436
oct46577401
921101822
1010157825
1158087a7
12349a455
132148662
1414c5b8d
15d59ad5
hex9aff01

10157825 has 6 divisors (see below), whose sum is σ = 12595734. Its totient is φ = 8126240.

The previous prime is 10157779. The next prime is 10157827. The reversal of 10157825 is 52875101.

It can be written as a sum of positive squares in 3 ways, for example, as 2446096 + 7711729 = 1564^2 + 2777^2 .

It is not a de Polignac number, because 10157825 - 212 = 10153729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10157827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 203132 + ... + 203181.

It is an arithmetic number, because the mean of its divisors is an integer number (2099289).

Almost surely, 210157825 is an apocalyptic number.

It is an amenable number.

10157825 is a deficient number, since it is larger than the sum of its proper divisors (2437909).

10157825 is an equidigital number, since it uses as much as digits as its factorization.

10157825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406323 (or 406318 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 10157825 is about 3187.1342927464. The cubic root of 10157825 is about 216.5709702312.

The spelling of 10157825 in words is "ten million, one hundred fifty-seven thousand, eight hundred twenty-five".

Divisors: 1 5 25 406313 2031565 10157825