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10052905 = 52010581
BaseRepresentation
bin100110010110…
…010100101001
3200220201222211
4212112110221
510033143110
6555245121
7151306522
oct46262451
920821884
1010052905
115746995
1234497a1
13210c985
141499849
15d3898a
hex996529

10052905 has 4 divisors (see below), whose sum is σ = 12063492. Its totient is φ = 8042320.

The previous prime is 10052893. The next prime is 10052929. The reversal of 10052905 is 50925001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50925001 = 283179947.

It can be written as a sum of positive squares in 2 ways, for example, as 1432809 + 8620096 = 1197^2 + 2936^2 .

It is not a de Polignac number, because 10052905 - 25 = 10052873 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1005286 + ... + 1005295.

It is an arithmetic number, because the mean of its divisors is an integer number (3015873).

Almost surely, 210052905 is an apocalyptic number.

It is an amenable number.

10052905 is a deficient number, since it is larger than the sum of its proper divisors (2010587).

10052905 is an equidigital number, since it uses as much as digits as its factorization.

10052905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010586.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 10052905 is about 3170.6316405410. The cubic root of 10052905 is about 215.8227355085.

Adding to 10052905 its reverse (50925001), we get a palindrome (60977906).

The spelling of 10052905 in words is "ten million, fifty-two thousand, nine hundred five".

Divisors: 1 5 2010581 10052905