Search a number
-
+
64344151 is a prime number
BaseRepresentation
bin1111010101110…
…1000001010111
311111002000120201
43311131001113
5112433003101
610215041331
71410626164
oct365350127
9144060521
1064344151
1133358793
1219670247
131043b381
14878d06b
1559aee01
hex3d5d057

64344151 has 2 divisors, whose sum is σ = 64344152. Its totient is φ = 64344150.

The previous prime is 64344149. The next prime is 64344307. The reversal of 64344151 is 15144346.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64344151 - 21 = 64344149 is a prime.

Together with 64344149, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64344131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32172075 + 32172076.

It is an arithmetic number, because the mean of its divisors is an integer number (32172076).

Almost surely, 264344151 is an apocalyptic number.

64344151 is a deficient number, since it is larger than the sum of its proper divisors (1).

64344151 is an equidigital number, since it uses as much as digits as its factorization.

64344151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 64344151 is about 8021.4805989917. The cubic root of 64344151 is about 400.7156999203.

Adding to 64344151 its reverse (15144346), we get a palindrome (79488497).

It can be divided in two parts, 6434 and 4151, that added together give a triangular number (10585 = T145).

The spelling of 64344151 in words is "sixty-four million, three hundred forty-four thousand, one hundred fifty-one".