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53133437 = 725130241
BaseRepresentation
bin1100101010110…
…0000001111101
310200222110101002
43022230001331
5102100232222
65134500045
71213424660
oct312540175
9120873332
1053133437
1127aa0a35
1215964625
13b014706
1470b16d7
1549e8392
hex32ac07d

53133437 has 8 divisors (see below), whose sum is σ = 60967872. Its totient is φ = 45360000.

The previous prime is 53133419. The next prime is 53133439. The reversal of 53133437 is 73433135.

53133437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 53133437 - 28 = 53133181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53133439) 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, 13364 + ... + 16877.

It is an arithmetic number, because the mean of its divisors is an integer number (7620984).

Almost surely, 253133437 is an apocalyptic number.

It is an amenable number.

53133437 is a deficient number, since it is larger than the sum of its proper divisors (7834435).

53133437 is a wasteful number, since it uses less digits than its factorization.

53133437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30499.

The product of its digits is 11340, while the sum is 29.

The square root of 53133437 is about 7289.2686190042. The cubic root of 53133437 is about 375.9435486587.

The spelling of 53133437 in words is "fifty-three million, one hundred thirty-three thousand, four hundred thirty-seven".

Divisors: 1 7 251 1757 30241 211687 7590491 53133437