Search a number
-
+
53032549 = 232305763
BaseRepresentation
bin1100101001001…
…1011001100101
310200210022222111
43022103121211
5102034020144
65132401021
71212524563
oct312233145
9120708874
1053032549
1127a32159
1215916171
13acaa80b
147086a33
1549c8534
hex3293665

53032549 has 4 divisors (see below), whose sum is σ = 55338336. Its totient is φ = 50726764.

The previous prime is 53032523. The next prime is 53032589. The reversal of 53032549 is 94523035.

53032549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53032549 - 29 = 53032037 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53032549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53032589) 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 3 ways as a sum of consecutive naturals, for example, 1152859 + ... + 1152904.

It is an arithmetic number, because the mean of its divisors is an integer number (13834584).

Almost surely, 253032549 is an apocalyptic number.

It is an amenable number.

53032549 is a deficient number, since it is larger than the sum of its proper divisors (2305787).

53032549 is a wasteful number, since it uses less digits than its factorization.

53032549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305786.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 53032549 is about 7282.3450206647. The cubic root of 53032549 is about 375.7054548718.

The spelling of 53032549 in words is "fifty-three million, thirty-two thousand, five hundred forty-nine".

Divisors: 1 23 2305763 53032549