Search a number
-
+
20363349 = 323421701
BaseRepresentation
bin100110110101…
…1100001010101
31102022120021010
41031223201111
520203111344
62004242433
7335041236
oct115534125
942276233
1020363349
1110549316
1269a0419
1342ac926
1429c108d
151bc38b9
hex136b855

20363349 has 16 divisors (see below), whose sum is σ = 28439424. Its totient is φ = 12936000.

The previous prime is 20363323. The next prime is 20363351. The reversal of 20363349 is 94336302.

It is not a de Polignac number, because 20363349 - 211 = 20361301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20363309) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 28699 + ... + 29399.

It is an arithmetic number, because the mean of its divisors is an integer number (1777464).

Almost surely, 220363349 is an apocalyptic number.

It is an amenable number.

20363349 is a deficient number, since it is larger than the sum of its proper divisors (8076075).

20363349 is a wasteful number, since it uses less digits than its factorization.

20363349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148.

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 20363349 is about 4512.5767583499. The cubic root of 20363349 is about 273.0757079138.

The spelling of 20363349 in words is "twenty million, three hundred sixty-three thousand, three hundred forty-nine".

Divisors: 1 3 23 69 421 701 1263 2103 9683 16123 29049 48369 295121 885363 6787783 20363349