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52636947 = 3111793827
BaseRepresentation
bin1100100011001…
…0110100010011
310200001020022120
43020302310103
5101433340242
65120105323
71206256326
oct310626423
9120036276
1052636947
1127791a10
1215765243
13ab9c72c
146dc27bd
15494b1ec
hex3232d13

52636947 has 16 divisors (see below), whose sum is σ = 81067392. Its totient is φ = 30024320.

The previous prime is 52636933. The next prime is 52636957. The reversal of 52636947 is 74963625.

It is a cyclic number.

It is not a de Polignac number, because 52636947 - 24 = 52636931 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 52636899 and 52636908.

It is not an unprimeable number, because it can be changed into a prime (52636957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46353 + ... + 47474.

It is an arithmetic number, because the mean of its divisors is an integer number (5066712).

Almost surely, 252636947 is an apocalyptic number.

52636947 is a deficient number, since it is larger than the sum of its proper divisors (28430445).

52636947 is a wasteful number, since it uses less digits than its factorization.

52636947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93858.

The product of its digits is 272160, while the sum is 42.

The square root of 52636947 is about 7255.1324591630. The cubic root of 52636947 is about 374.7689171868.

It can be divided in two parts, 526 and 36947, that added together give a palindrome (37473).

The spelling of 52636947 in words is "fifty-two million, six hundred thirty-six thousand, nine hundred forty-seven".

Divisors: 1 3 11 17 33 51 187 561 93827 281481 1032097 1595059 3096291 4785177 17545649 52636947