Search a number
-
+
10251205 = 52050241
BaseRepresentation
bin100111000110…
…101111000101
3201021211000021
4213012233011
510111014310
61003415141
7153063616
oct47065705
921254007
1010251205
115871978
1235244b1
13217c003
14150bc0d
15d775da
hex9c6bc5

10251205 has 4 divisors (see below), whose sum is σ = 12301452. Its totient is φ = 8200960.

The previous prime is 10251179. The next prime is 10251223. The reversal of 10251205 is 50215201.

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 2666689 + 7584516 = 1633^2 + 2754^2 .

It is not a de Polignac number, because 10251205 - 29 = 10250693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1025116 + ... + 1025125.

It is an arithmetic number, because the mean of its divisors is an integer number (3075363).

Almost surely, 210251205 is an apocalyptic number.

It is an amenable number.

10251205 is a deficient number, since it is larger than the sum of its proper divisors (2050247).

10251205 is an equidigital number, since it uses as much as digits as its factorization.

10251205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050246.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 10251205 is about 3201.7503025689. The cubic root of 10251205 is about 217.2325863129.

Adding to 10251205 its reverse (50215201), we get a palindrome (60466406).

The spelling of 10251205 in words is "ten million, two hundred fifty-one thousand, two hundred five".

Divisors: 1 5 2050241 10251205