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53245240 = 2359713723
BaseRepresentation
bin1100101100011…
…1010100111000
310201012010201221
43023013110320
5102112321430
65141121424
71214401636
oct313072470
9121163657
1053245240
1128067a34
12159b9274
13b053579
147100356
154a1b57a
hex32c7538

53245240 has 32 divisors (see below), whose sum is σ = 121045680. Its totient is φ = 21076992.

The previous prime is 53245237. The next prime is 53245271. The reversal of 53245240 is 4254235.

53245240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 2982 + ... + 10741.

Almost surely, 253245240 is an apocalyptic number.

It is an amenable number.

53245240 is an abundant number, since it is smaller than the sum of its proper divisors (67800440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53245240 is a wasteful number, since it uses less digits than its factorization.

53245240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13831 (or 13827 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 53245240 is about 7296.9336025484. The cubic root of 53245240 is about 376.2070498391.

Adding to 53245240 its reverse (4254235), we get a palindrome (57499475).

The spelling of 53245240 in words is "fifty-three million, two hundred forty-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 97 194 388 485 776 970 1940 3880 13723 27446 54892 68615 109784 137230 274460 548920 1331131 2662262 5324524 6655655 10649048 13311310 26622620 53245240