Search a number
-
+
53240463 = 331971869
BaseRepresentation
bin1100101100011…
…0001010001111
310201011220012000
43023012022033
5102112143323
65141043343
71214352003
oct313061217
9121156160
1053240463
1128064391
12159b6553
13b051343
1470dc703
154a19e43
hex32c628f

53240463 has 8 divisors (see below), whose sum is σ = 78874800. Its totient is φ = 35493624.

The previous prime is 53240459. The next prime is 53240483. The reversal of 53240463 is 36404235.

53240463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53240463 - 22 = 53240459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1971869 = 53240463 / (5 + 3 + 2 + 4 + 0 + 4 + 6 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53240483) 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 7 ways as a sum of consecutive naturals, for example, 985908 + ... + 985961.

It is an arithmetic number, because the mean of its divisors is an integer number (9859350).

Almost surely, 253240463 is an apocalyptic number.

53240463 is a deficient number, since it is larger than the sum of its proper divisors (25634337).

53240463 is a wasteful number, since it uses less digits than its factorization.

53240463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971878 (or 1971872 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 53240463 is about 7296.6062659294. The cubic root of 53240463 is about 376.1957987876.

Adding to 53240463 its reverse (36404235), we get a palindrome (89644698).

The spelling of 53240463 in words is "fifty-three million, two hundred forty thousand, four hundred sixty-three".

Divisors: 1 3 9 27 1971869 5915607 17746821 53240463