Search a number
-
+
20083349 = 1113140443
BaseRepresentation
bin100110010011…
…1001010010101
31101210100011202
41030213022111
520120131344
61554242245
7332464016
oct114471225
941710152
1020083349
1110377a10
126886385
134212350
14294b00d
151b6a94e
hex1327295

20083349 has 8 divisors (see below), whose sum is σ = 23594592. Its totient is φ = 16853040.

The previous prime is 20083339. The next prime is 20083363. The reversal of 20083349 is 94338002.

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 20083349 - 24 = 20083333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20083309) 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, 70079 + ... + 70364.

It is an arithmetic number, because the mean of its divisors is an integer number (2949324).

Almost surely, 220083349 is an apocalyptic number.

It is an amenable number.

20083349 is a deficient number, since it is larger than the sum of its proper divisors (3511243).

20083349 is a wasteful number, since it uses less digits than its factorization.

20083349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140467.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 20083349 is about 4481.4449678647. Note that the first 3 decimals coincide. The cubic root of 20083349 is about 271.8183123807.

The spelling of 20083349 in words is "twenty million, eighty-three thousand, three hundred forty-nine".

Divisors: 1 11 13 143 140443 1544873 1825759 20083349