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52982101 = 291826969
BaseRepresentation
bin1100101000011…
…1000101010101
310200200202210001
43022013011111
5102030411401
65131331301
71212224524
oct312070525
9120622701
1052982101
11279a8267
12158b0b31
13ac90873
1470724bb
1549b8601
hex3287155

52982101 has 4 divisors (see below), whose sum is σ = 54809100. Its totient is φ = 51155104.

The previous prime is 52982071. The next prime is 52982107. The reversal of 52982101 is 10128925.

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 34928100 + 18054001 = 5910^2 + 4249^2 .

It is a cyclic number.

It is not a de Polignac number, because 52982101 - 29 = 52981589 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 52982101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52982107) 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, 913456 + ... + 913513.

It is an arithmetic number, because the mean of its divisors is an integer number (13702275).

Almost surely, 252982101 is an apocalyptic number.

It is an amenable number.

52982101 is a deficient number, since it is larger than the sum of its proper divisors (1826999).

52982101 is a wasteful number, since it uses less digits than its factorization.

52982101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826998.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 52982101 is about 7278.8804771064. The cubic root of 52982101 is about 375.5862852782.

The spelling of 52982101 in words is "fifty-two million, nine hundred eighty-two thousand, one hundred one".

Divisors: 1 29 1826969 52982101