Search a number
-
+
53389293 = 378722613
BaseRepresentation
bin1100101110101…
…0011111101101
310201110110100020
43023222133231
5102131424133
65144152353
71215541626
oct313523755
9121413306
1053389293
1128156191
1215a686b9
13b0a3cc9
14713aa4d
154a490b3
hex32ea7ed

53389293 has 8 divisors (see below), whose sum is σ = 71279328. Its totient is φ = 35546064.

The previous prime is 53389283. The next prime is 53389309. The reversal of 53389293 is 39298335.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53389293 - 26 = 53389229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53389253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8946 + ... + 13667.

It is an arithmetic number, because the mean of its divisors is an integer number (8909916).

Almost surely, 253389293 is an apocalyptic number.

It is an amenable number.

53389293 is a deficient number, since it is larger than the sum of its proper divisors (17890035).

53389293 is a wasteful number, since it uses less digits than its factorization.

53389293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23403.

The product of its digits is 174960, while the sum is 42.

The square root of 53389293 is about 7306.7977254061. The cubic root of 53389293 is about 376.5460156911.

The spelling of 53389293 in words is "fifty-three million, three hundred eighty-nine thousand, two hundred ninety-three".

Divisors: 1 3 787 2361 22613 67839 17796431 53389293