Search a number
-
+
65286325 = 5213200881
BaseRepresentation
bin1111100100001…
…1000010110101
311112211220000001
43321003002311
5113203130300
610251151301
71421632066
oct371030265
9145756001
1065286325
1133941645
1219a45531
13106ab180
14895656d
155ae916a
hex3e430b5

65286325 has 12 divisors (see below), whose sum is σ = 87182788. Its totient is φ = 48211200.

The previous prime is 65286317. The next prime is 65286329. The reversal of 65286325 is 52368256.

It is a happy number.

65286325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 998001 + 64288324 = 999^2 + 8018^2 .

It is not a de Polignac number, because 65286325 - 23 = 65286317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65286329) 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 in 11 ways as a sum of consecutive naturals, for example, 100116 + ... + 100765.

Almost surely, 265286325 is an apocalyptic number.

65286325 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

65286325 is a deficient number, since it is larger than the sum of its proper divisors (21896463).

65286325 is a wasteful number, since it uses less digits than its factorization.

65286325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200904 (or 200899 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 65286325 is about 8079.9953589096. The cubic root of 65286325 is about 402.6620876701.

The spelling of 65286325 in words is "sixty-five million, two hundred eighty-six thousand, three hundred twenty-five".

Divisors: 1 5 13 25 65 325 200881 1004405 2611453 5022025 13057265 65286325