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52982129 = 337157217
BaseRepresentation
bin1100101000011…
…1000101110001
310200200202211002
43022013011301
5102030412004
65131331345
71212224564
oct312070561
9120622732
1052982129
11279a8292
12158b0b55
13ac90895
1470724db
1549b861e
hex3287171

52982129 has 4 divisors (see below), whose sum is σ = 53139684. Its totient is φ = 52824576.

The previous prime is 52982119. The next prime is 52982141. The reversal of 52982129 is 92128925.

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 18490000 + 34492129 = 4300^2 + 5873^2 .

It is a cyclic number.

It is not a de Polignac number, because 52982129 - 216 = 52916593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52982092 and 52982101.

It is not an unprimeable number, because it can be changed into a prime (52982119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78272 + ... + 78945.

It is an arithmetic number, because the mean of its divisors is an integer number (13284921).

Almost surely, 252982129 is an apocalyptic number.

It is an amenable number.

52982129 is a deficient number, since it is larger than the sum of its proper divisors (157555).

52982129 is a wasteful number, since it uses less digits than its factorization.

52982129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157554.

The product of its digits is 25920, while the sum is 38.

The square root of 52982129 is about 7278.8824004788. The cubic root of 52982129 is about 375.5863514415.

The spelling of 52982129 in words is "fifty-two million, nine hundred eighty-two thousand, one hundred twenty-nine".

Divisors: 1 337 157217 52982129