Search a number
-
+
51484801 is a prime number
BaseRepresentation
bin1100010001100…
…1100010000001
310120212200212111
43010121202001
5101140003201
65035255321
71163420314
oct304314201
9116780774
1051484801
1127075325
12152aa541
13a8881a4
146ba297b
1547beb51
hex3119881

51484801 has 2 divisors, whose sum is σ = 51484802. Its totient is φ = 51484800.

The previous prime is 51484799. The next prime is 51484819. The reversal of 51484801 is 10848415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48316401 + 3168400 = 6951^2 + 1780^2 .

It is a cyclic number.

It is not a de Polignac number, because 51484801 - 21 = 51484799 is a prime.

Together with 51484799, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (51484861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25742400 + 25742401.

It is an arithmetic number, because the mean of its divisors is an integer number (25742401).

Almost surely, 251484801 is an apocalyptic number.

It is an amenable number.

51484801 is a deficient number, since it is larger than the sum of its proper divisors (1).

51484801 is an equidigital number, since it uses as much as digits as its factorization.

51484801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 51484801 is about 7175.2910045517. The cubic root of 51484801 is about 372.0143387736.

The spelling of 51484801 in words is "fifty-one million, four hundred eighty-four thousand, eight hundred one".