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10515253 = 72534049
BaseRepresentation
bin101000000111…
…001100110101
3201210020012211
4220013030311
510142442003
61013213421
7155243500
oct50071465
921706184
1010515253
115a322a1
123631271
132242258
14157a137
15dca96d
hexa07335

10515253 has 12 divisors (see below), whose sum is σ = 12465900. Its totient is φ = 8840832.

The previous prime is 10515251. The next prime is 10515257. The reversal of 10515253 is 35251501.

10515253 is digitally balanced in base 3, 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 2 ways, for example, as 5049009 + 5466244 = 2247^2 + 2338^2 .

It is not a de Polignac number, because 10515253 - 21 = 10515251 is a prime.

It is a super-2 number, since 2×105152532 = 221141091308018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10515251) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 573 + ... + 4621.

It is an arithmetic number, because the mean of its divisors is an integer number (1038825).

Almost surely, 210515253 is an apocalyptic number.

It is an amenable number.

10515253 is a deficient number, since it is larger than the sum of its proper divisors (1950647).

10515253 is an equidigital number, since it uses as much as digits as its factorization.

10515253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116 (or 4109 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 10515253 is about 3242.7230840761. The cubic root of 10515253 is about 219.0819387168.

Adding to 10515253 its reverse (35251501), we get a palindrome (45766754).

The spelling of 10515253 in words is "ten million, five hundred fifteen thousand, two hundred fifty-three".

Divisors: 1 7 49 53 371 2597 4049 28343 198401 214597 1502179 10515253