Search a number
-
+
62128861 is a prime number
BaseRepresentation
bin1110110100000…
…0001011011101
311022220110202221
43231000023131
5111401110421
610055345341
71353041464
oct355001335
9138813687
1062128861
1132085373
1218982251
13cb43c52
1483739db
1556c3841
hex3b402dd

62128861 has 2 divisors, whose sum is σ = 62128862. Its totient is φ = 62128860.

The previous prime is 62128849. The next prime is 62128873. The reversal of 62128861 is 16882126.

62128861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (62128849) and next prime (62128873).

It can be written as a sum of positive squares in only one way, i.e., 41024025 + 21104836 = 6405^2 + 4594^2 .

It is a cyclic number.

It is not a de Polignac number, because 62128861 - 215 = 62096093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62128811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31064430 + 31064431.

It is an arithmetic number, because the mean of its divisors is an integer number (31064431).

Almost surely, 262128861 is an apocalyptic number.

It is an amenable number.

62128861 is a deficient number, since it is larger than the sum of its proper divisors (1).

62128861 is an equidigital number, since it uses as much as digits as its factorization.

62128861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 34.

The square root of 62128861 is about 7882.1863083792. The cubic root of 62128861 is about 396.0631743751.

The spelling of 62128861 in words is "sixty-two million, one hundred twenty-eight thousand, eight hundred sixty-one".