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65052533 = 7132331081
BaseRepresentation
bin1111100000100…
…1111101110101
311112102000022002
43320021331311
5113123140113
610242145045
71416636350
oct370117565
9145360262
1065052533
11337a1a27
1219952185
1310628930
1488d5297
155a9ec58
hex3e09f75

65052533 has 16 divisors (see below), whose sum is σ = 83548416. Its totient is φ = 49230720.

The previous prime is 65052529. The next prime is 65052541. The reversal of 65052533 is 33525056.

It is a happy number.

It is not a de Polignac number, because 65052533 - 22 = 65052529 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 65052496 and 65052505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65052233) 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, 13448 + ... + 17633.

It is an arithmetic number, because the mean of its divisors is an integer number (5221776).

Almost surely, 265052533 is an apocalyptic number.

It is an amenable number.

65052533 is a deficient number, since it is larger than the sum of its proper divisors (18495883).

65052533 is a wasteful number, since it uses less digits than its factorization.

65052533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31124.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 65052533 is about 8065.5150486500. The cubic root of 65052533 is about 402.1808650430.

Adding to 65052533 its reverse (33525056), we get a palindrome (98577589).

The spelling of 65052533 in words is "sixty-five million, fifty-two thousand, five hundred thirty-three".

Divisors: 1 7 13 23 91 161 299 2093 31081 217567 404053 714863 2828371 5004041 9293219 65052533