Search a number
-
+
48419681 is a prime number
BaseRepresentation
bin1011100010110…
…1001101100001
310101002222022112
42320231031201
544343412211
64445445105
71125363152
oct270551541
9111088275
1048419681
1125371472
1214270795
13a053ccb
146605929
1543b688b
hex2e2d361

48419681 has 2 divisors, whose sum is σ = 48419682. Its totient is φ = 48419680.

The previous prime is 48419663. The next prime is 48419699. The reversal of 48419681 is 18691484.

48419681 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 (48419663) and next prime (48419699).

It can be written as a sum of positive squares in only one way, i.e., 47389456 + 1030225 = 6884^2 + 1015^2 .

It is a cyclic number.

It is not a de Polignac number, because 48419681 - 218 = 48157537 is a prime.

It is a super-2 number, since 2×484196812 = 4688931016283522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (48419611) 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, 24209840 + 24209841.

It is an arithmetic number, because the mean of its divisors is an integer number (24209841).

Almost surely, 248419681 is an apocalyptic number.

It is an amenable number.

48419681 is a deficient number, since it is larger than the sum of its proper divisors (1).

48419681 is an equidigital number, since it uses as much as digits as its factorization.

48419681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 41.

The square root of 48419681 is about 6958.4251810305. The cubic root of 48419681 is about 364.4802284670.

It can be divided in two parts, 4841 and 9681, that multiplied together give a triangular number (46865721 = T9681).

The spelling of 48419681 in words is "forty-eight million, four hundred nineteen thousand, six hundred eighty-one".