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52810705 = 510562141
BaseRepresentation
bin1100100101110…
…1001111010001
310200101001200001
43021131033101
5102004420310
65123530001
71210612033
oct311351721
9120331601
1052810705
11278a0512
1215829901
13ac3084c
147029c53
15498293a
hex325d3d1

52810705 has 4 divisors (see below), whose sum is σ = 63372852. Its totient is φ = 42248560.

The previous prime is 52810699. The next prime is 52810717. The reversal of 52810705 is 50701825.

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 20729809 + 32080896 = 4553^2 + 5664^2 .

It is not a de Polignac number, because 52810705 - 23 = 52810697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5281066 + ... + 5281075.

It is an arithmetic number, because the mean of its divisors is an integer number (15843213).

Almost surely, 252810705 is an apocalyptic number.

It is an amenable number.

52810705 is a deficient number, since it is larger than the sum of its proper divisors (10562147).

52810705 is a wasteful number, since it uses less digits than its factorization.

52810705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10562146.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 52810705 is about 7267.0974260705. The cubic root of 52810705 is about 375.1808431450.

The spelling of 52810705 in words is "fifty-two million, eight hundred ten thousand, seven hundred five".

Divisors: 1 5 10562141 52810705