Search a number
-
+
51833489 is a prime number
BaseRepresentation
bin1100010110111…
…0101010010001
310121112102011212
43011232222101
5101232132424
65050545505
71166402021
oct305565221
9117472155
1051833489
11272932a4
1215438295
13a97ab06
146c53a81
15483d10e
hex316ea91

51833489 has 2 divisors, whose sum is σ = 51833490. Its totient is φ = 51833488.

The previous prime is 51833477. The next prime is 51833491. The reversal of 51833489 is 98433815.

51833489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30747025 + 21086464 = 5545^2 + 4592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51833489 is a prime.

Together with 51833491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51833449) 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, 25916744 + 25916745.

It is an arithmetic number, because the mean of its divisors is an integer number (25916745).

Almost surely, 251833489 is an apocalyptic number.

It is an amenable number.

51833489 is a deficient number, since it is larger than the sum of its proper divisors (1).

51833489 is an equidigital number, since it uses as much as digits as its factorization.

51833489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 51833489 is about 7199.5478330240. The cubic root of 51833489 is about 372.8522895741.

The spelling of 51833489 in words is "fifty-one million, eight hundred thirty-three thousand, four hundred eighty-nine".