Search a number
-
+
61622933 is a prime number
BaseRepresentation
bin1110101100010…
…0101010010101
311021221202202212
43223010222111
5111233413213
610040443205
71345533461
oct353045225
9137852685
1061622933
113186a249
1218779505
13c9c7898
1482814a1
1556239a8
hex3ac4a95

61622933 has 2 divisors, whose sum is σ = 61622934. Its totient is φ = 61622932.

The previous prime is 61622927. The next prime is 61622983. The reversal of 61622933 is 33922616.

61622933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61575409 + 47524 = 7847^2 + 218^2 .

It is a cyclic number.

It is not a de Polignac number, because 61622933 - 24 = 61622917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61622933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61622983) 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, 30811466 + 30811467.

It is an arithmetic number, because the mean of its divisors is an integer number (30811467).

Almost surely, 261622933 is an apocalyptic number.

It is an amenable number.

61622933 is a deficient number, since it is larger than the sum of its proper divisors (1).

61622933 is an equidigital number, since it uses as much as digits as its factorization.

61622933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 32.

The square root of 61622933 is about 7850.0275795694. The cubic root of 61622933 is about 394.9851684865.

The spelling of 61622933 in words is "sixty-one million, six hundred twenty-two thousand, nine hundred thirty-three".