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20053353 = 317393203
BaseRepresentation
bin100110001111…
…1110101101001
31101201211000210
41030133311221
520113201403
61553451333
7332310405
oct114376551
941654023
1020053353
1110357421
126870b49
1342017b8
142940105
151b61b03
hex131fd69

20053353 has 8 divisors (see below), whose sum is σ = 28310688. Its totient is φ = 12582464.

The previous prime is 20053343. The next prime is 20053357. The reversal of 20053353 is 35335002.

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 20053353 - 25 = 20053321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20053357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196551 + ... + 196652.

It is an arithmetic number, because the mean of its divisors is an integer number (3538836).

Almost surely, 220053353 is an apocalyptic number.

It is an amenable number.

20053353 is a deficient number, since it is larger than the sum of its proper divisors (8257335).

20053353 is a wasteful number, since it uses less digits than its factorization.

20053353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393223.

The product of its (nonzero) digits is 1350, while the sum is 21.

The square root of 20053353 is about 4478.0970288729. The cubic root of 20053353 is about 271.6829178848.

Adding to 20053353 its reverse (35335002), we get a palindrome (55388355).

The spelling of 20053353 in words is "twenty million, fifty-three thousand, three hundred fifty-three".

Divisors: 1 3 17 51 393203 1179609 6684451 20053353