Search a number
-
+
53350065 = 3255322369
BaseRepresentation
bin1100101110000…
…0111010110001
310201101110112100
43023200322301
5102124200230
65143251013
71215316356
oct313407261
9121343470
1053350065
112812976a
1215a49a69
13b08c1b2
14712a62d
154a3c660
hex32e0eb1

53350065 has 24 divisors (see below), whose sum is σ = 94222440. Its totient is φ = 27915264.

The previous prime is 53350049. The next prime is 53350067. The reversal of 53350065 is 56005335.

It is a happy number.

53350065 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 4 ways, for example, as 8714304 + 44635761 = 2952^2 + 6681^2 .

It is not a de Polignac number, because 53350065 - 24 = 53350049 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53350067) 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 23 ways as a sum of consecutive naturals, for example, 8800 + ... + 13569.

It is an arithmetic number, because the mean of its divisors is an integer number (3925935).

Almost surely, 253350065 is an apocalyptic number.

It is an amenable number.

53350065 is a deficient number, since it is larger than the sum of its proper divisors (40872375).

53350065 is a wasteful number, since it uses less digits than its factorization.

53350065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22433 (or 22430 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 53350065 is about 7304.1128824793. The cubic root of 53350065 is about 376.4537701897.

It can be divided in two parts, 5335006 and 5, that added together give a triangular number (5335011 = T3266).

The spelling of 53350065 in words is "fifty-three million, three hundred fifty thousand, sixty-five".

Divisors: 1 3 5 9 15 45 53 159 265 477 795 2385 22369 67107 111845 201321 335535 1006605 1185557 3556671 5927785 10670013 17783355 53350065