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10115053 = 13778081
BaseRepresentation
bin100110100101…
…011111101101
3201000220020121
4212211133231
510042140203
61000444541
7151655644
oct46453755
921026217
1010115053
115789653
123479751
132132050
1414b435b
15d4c0bd
hex9a57ed

10115053 has 4 divisors (see below), whose sum is σ = 10893148. Its totient is φ = 9336960.

The previous prime is 10115041. The next prime is 10115071. The reversal of 10115053 is 35051101.

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 3161284 + 6953769 = 1778^2 + 2637^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10115053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10115003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389028 + ... + 389053.

It is an arithmetic number, because the mean of its divisors is an integer number (2723287).

Almost surely, 210115053 is an apocalyptic number.

10115053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10115053 is a deficient number, since it is larger than the sum of its proper divisors (778095).

10115053 is an equidigital number, since it uses as much as digits as its factorization.

10115053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778094.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 10115053 is about 3180.4171110092. The cubic root of 10115053 is about 216.2665676104.

Adding to 10115053 its reverse (35051101), we get a palindrome (45166154).

The spelling of 10115053 in words is "ten million, one hundred fifteen thousand, fifty-three".

Divisors: 1 13 778081 10115053