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2130061 is a prime number
BaseRepresentation
bin1000001000000010001101
311000012220011
420020002031
51021130221
6113353221
724051043
oct10100215
94005804
102130061
11122538a
12868811
135976bb
143d6393
152c11e1
hex20808d

2130061 has 2 divisors, whose sum is σ = 2130062. Its totient is φ = 2130060.

The previous prime is 2130047. The next prime is 2130101. The reversal of 2130061 is 1600312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1674436 + 455625 = 1294^2 + 675^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130061 - 29 = 2129549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065030 + 1065031.

It is an arithmetic number, because the mean of its divisors is an integer number (1065031).

22130061 is an apocalyptic number.

It is an amenable number.

2130061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130061 is an equidigital number, since it uses as much as digits as its factorization.

2130061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2130061 is about 1459.4728500387. The cubic root of 2130061 is about 128.6660633665. Note that the first 3 decimals are identical.

Adding to 2130061 its reverse (1600312), we get a palindrome (3730373).

The spelling of 2130061 in words is "two million, one hundred thirty thousand, sixty-one".