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30352061 is a prime number
BaseRepresentation
bin111001111001…
…0001010111101
32010010001012102
41303302022331
530232231221
63002314445
7515662655
oct163621275
963101172
1030352061
1116150a53
12a1b8a25
1363992cc
144061365
1529e830b
hex1cf22bd

30352061 has 2 divisors, whose sum is σ = 30352062. Its totient is φ = 30352060.

The previous prime is 30352051. The next prime is 30352073. The reversal of 30352061 is 16025303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28026436 + 2325625 = 5294^2 + 1525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30352061 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30352051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15176030 + 15176031.

It is an arithmetic number, because the mean of its divisors is an integer number (15176031).

Almost surely, 230352061 is an apocalyptic number.

It is an amenable number.

30352061 is a deficient number, since it is larger than the sum of its proper divisors (1).

30352061 is an equidigital number, since it uses as much as digits as its factorization.

30352061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 30352061 is about 5509.2704598703. The cubic root of 30352061 is about 311.9340103973.

Adding to 30352061 its reverse (16025303), we get a palindrome (46377364).

The spelling of 30352061 in words is "thirty million, three hundred fifty-two thousand, sixty-one".