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20053735 = 513308519
BaseRepresentation
bin100110001111…
…1111011100111
31101201211112221
41030133323213
520113204420
61553453211
7332311462
oct114377347
941654487
1020053735
1110357739
126871207
134201a20
1429402d9
151b61caa
hex131fee7

20053735 has 8 divisors (see below), whose sum is σ = 25915680. Its totient is φ = 14808864.

The previous prime is 20053717. The next prime is 20053763. The reversal of 20053735 is 53735002.

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

It is a cyclic number.

It is not a de Polignac number, because 20053735 - 217 = 19922663 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154195 + ... + 154324.

It is an arithmetic number, because the mean of its divisors is an integer number (3239460).

Almost surely, 220053735 is an apocalyptic number.

20053735 is a deficient number, since it is larger than the sum of its proper divisors (5861945).

20053735 is a wasteful number, since it uses less digits than its factorization.

20053735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308537.

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 20053735 is about 4478.1396807156. The cubic root of 20053735 is about 271.6846429864.

Adding to 20053735 its reverse (53735002), we get a palindrome (73788737).

It can be divided in two parts, 200 and 53735, that added together give a palindrome (53935).

The spelling of 20053735 in words is "twenty million, fifty-three thousand, seven hundred thirty-five".

Divisors: 1 5 13 65 308519 1542595 4010747 20053735