Search a number
-
+
20411106 = 2310731793
BaseRepresentation
bin100110111011…
…1001011100010
31102101222202220
41031313023202
520211123411
62005251510
7335330412
oct115671342
942358686
1020411106
1110581191
126a03b96
1342c85a1
1429d4642
151bd2b06
hex13772e2

20411106 has 16 divisors (see below), whose sum is σ = 41205024. Its totient is φ = 6739904.

The previous prime is 20411093. The next prime is 20411107. The reversal of 20411106 is 60111402.

It is a super-2 number, since 2×204111062 = 833226496286472, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20411107) 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, 15255 + ... + 16538.

It is an arithmetic number, because the mean of its divisors is an integer number (2575314).

Almost surely, 220411106 is an apocalyptic number.

20411106 is an abundant number, since it is smaller than the sum of its proper divisors (20793918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20411106 is a wasteful number, since it uses less digits than its factorization.

20411106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31905.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 20411106 is about 4517.8652038324. The cubic root of 20411106 is about 273.2890175362.

Adding to 20411106 its reverse (60111402), we get a palindrome (80522508).

The spelling of 20411106 in words is "twenty million, four hundred eleven thousand, one hundred six".

Divisors: 1 2 3 6 107 214 321 642 31793 63586 95379 190758 3401851 6803702 10205553 20411106