Search a number
-
+
20053369 = 724111887
BaseRepresentation
bin100110001111…
…1110101111001
31101201211001101
41030133311321
520113201434
61553451401
7332310430
oct114376571
941654041
1020053369
1110357436
126870b61
1342017cb
142940117
151b61b14
hex131fd79

20053369 has 8 divisors (see below), whose sum is σ = 23015168. Its totient is φ = 17115840.

The previous prime is 20053367. The next prime is 20053393. The reversal of 20053369 is 96335002.

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

It is not a de Polignac number, because 20053369 - 21 = 20053367 is a prime.

It is a super-2 number, since 2×200533692 = 804275216500322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20053361) 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, 4257 + ... + 7630.

It is an arithmetic number, because the mean of its divisors is an integer number (2876896).

Almost surely, 220053369 is an apocalyptic number.

It is an amenable number.

20053369 is a deficient number, since it is larger than the sum of its proper divisors (2961799).

20053369 is a wasteful number, since it uses less digits than its factorization.

20053369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12135.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 20053369 is about 4478.0988153456. The cubic root of 20053369 is about 271.6829901408.

The spelling of 20053369 in words is "twenty million, fifty-three thousand, three hundred sixty-nine".

Divisors: 1 7 241 1687 11887 83209 2864767 20053369