Search a number
-
+
53252533 = 431238431
BaseRepresentation
bin1100101100100…
…1000110110101
310201012111202001
43023021012311
5102113040113
65141215301
71214432125
oct313110665
9121174661
1053252533
1128072464
1215a01531
13b056999
147102c85
154a1d7dd
hex32c91b5

53252533 has 4 divisors (see below), whose sum is σ = 54491008. Its totient is φ = 52014060.

The previous prime is 53252491. The next prime is 53252539. The reversal of 53252533 is 33525235.

53252533 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 53252533 - 29 = 53252021 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 (53252539) 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, 619173 + ... + 619258.

It is an arithmetic number, because the mean of its divisors is an integer number (13622752).

Almost surely, 253252533 is an apocalyptic number.

It is an amenable number.

53252533 is a deficient number, since it is larger than the sum of its proper divisors (1238475).

53252533 is a wasteful number, since it uses less digits than its factorization.

53252533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238474.

The product of its digits is 13500, while the sum is 28.

The square root of 53252533 is about 7297.4333158995. The cubic root of 53252533 is about 376.2242254136.

Adding to 53252533 its reverse (33525235), we get a palindrome (86777768).

The spelling of 53252533 in words is "fifty-three million, two hundred fifty-two thousand, five hundred thirty-three".

Divisors: 1 43 1238431 53252533