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52560811 = 411281971
BaseRepresentation
bin1100100010000…
…0001110101011
310122220100212201
43020200032223
5101423421221
65114321031
71205521342
oct310401653
9118810781
1052560811
112773a796
1215729177
13ab73b94
146da2b59
154933891
hex32203ab

52560811 has 4 divisors (see below), whose sum is σ = 53842824. Its totient is φ = 51278800.

The previous prime is 52560791. The next prime is 52560853. The reversal of 52560811 is 11806525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52560811 - 211 = 52558763 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52560811.

It is not an unprimeable number, because it can be changed into a prime (52560611) 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 3 ways as a sum of consecutive naturals, for example, 640945 + ... + 641026.

It is an arithmetic number, because the mean of its divisors is an integer number (13460706).

Almost surely, 252560811 is an apocalyptic number.

52560811 is a deficient number, since it is larger than the sum of its proper divisors (1282013).

52560811 is a wasteful number, since it uses less digits than its factorization.

52560811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282012.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 52560811 is about 7249.8835163056. The cubic root of 52560811 is about 374.5881368526.

The spelling of 52560811 in words is "fifty-two million, five hundred sixty thousand, eight hundred eleven".

Divisors: 1 41 1281971 52560811