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53245733 = 192802407
BaseRepresentation
bin1100101100011…
…1011100100101
310201012011102012
43023013130211
5102112330413
65141124005
71214403242
oct313073445
9121164365
1053245733
1128068342
12159b9605
13b053868
1471005c9
154a1b7a8
hex32c7725

53245733 has 4 divisors (see below), whose sum is σ = 56048160. Its totient is φ = 50443308.

The previous prime is 53245727. The next prime is 53245781. The reversal of 53245733 is 33754235.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33754235 = 56750847.

It is a cyclic number.

It is not a de Polignac number, because 53245733 - 214 = 53229349 is a prime.

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 53245733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53295733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401185 + ... + 1401222.

It is an arithmetic number, because the mean of its divisors is an integer number (14012040).

Almost surely, 253245733 is an apocalyptic number.

It is an amenable number.

53245733 is a deficient number, since it is larger than the sum of its proper divisors (2802427).

53245733 is a wasteful number, since it uses less digits than its factorization.

53245733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802426.

The product of its digits is 37800, while the sum is 32.

The square root of 53245733 is about 7296.9673837835. The cubic root of 53245733 is about 376.2082109414.

Adding to 53245733 its reverse (33754235), we get a palindrome (86999968).

The spelling of 53245733 in words is "fifty-three million, two hundred forty-five thousand, seven hundred thirty-three".

Divisors: 1 19 2802407 53245733