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10011205 = 55413701
BaseRepresentation
bin100110001100…
…001001000101
3200211121210101
4212030021011
510030324310
6554324101
7151044121
oct46141105
920747711
1010011205
115718626
123429631
1320c69b9
141488581
15d2b43a
hex98c245

10011205 has 8 divisors (see below), whose sum is σ = 12038904. Its totient is φ = 7992000.

The previous prime is 10011203. The next prime is 10011227. The reversal of 10011205 is 50211001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 481636 + 9529569 = 694^2 + 3087^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10011205 - 21 = 10011203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10011191 and 10011200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855 + ... + 4555.

It is an arithmetic number, because the mean of its divisors is an integer number (1504863).

Almost surely, 210011205 is an apocalyptic number.

It is an amenable number.

10011205 is a deficient number, since it is larger than the sum of its proper divisors (2027699).

10011205 is an equidigital number, since it uses as much as digits as its factorization.

10011205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4247.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 10011205 is about 3164.0488302174. The cubic root of 10011205 is about 215.5239071027.

Adding to 10011205 its reverse (50211001), we get a palindrome (60222206).

The spelling of 10011205 in words is "ten million, eleven thousand, two hundred five".

Divisors: 1 5 541 2705 3701 18505 2002241 10011205