Search a number
-
+
20350211 = 73318783
BaseRepresentation
bin100110110100…
…0010100000011
31102021220020112
41031220110003
520202201321
62004101535
7334655030
oct115502403
942256215
1020350211
111053a462
1269948ab
1342a695b
1429ba387
151bbea5b
hex1368503

20350211 has 8 divisors (see below), whose sum is σ = 23330304. Its totient is φ = 17388360.

The previous prime is 20350181. The next prime is 20350217. The reversal of 20350211 is 11205302.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20350211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20350217) 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, 2075 + ... + 6708.

It is an arithmetic number, because the mean of its divisors is an integer number (2916288).

Almost surely, 220350211 is an apocalyptic number.

20350211 is a deficient number, since it is larger than the sum of its proper divisors (2980093).

20350211 is an equidigital number, since it uses as much as digits as its factorization.

20350211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9121.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 20350211 is about 4511.1208141658. The cubic root of 20350211 is about 273.0169677316.

Adding to 20350211 its reverse (11205302), we get a palindrome (31555513).

The spelling of 20350211 in words is "twenty million, three hundred fifty thousand, two hundred eleven".

Divisors: 1 7 331 2317 8783 61481 2907173 20350211