Search a number
-
+
20841108 = 2231736759
BaseRepresentation
bin100111110000…
…0001010010100
31110012211121220
41033200022110
520313403413
62022410340
7342101151
oct117401224
943184556
1020841108
1110845262
126b909b0
134419222
142aa7228
151c6a223
hex13e0294

20841108 has 12 divisors (see below), whose sum is σ = 48629280. Its totient is φ = 6947032.

The previous prime is 20841089. The next prime is 20841109. The reversal of 20841108 is 80114802.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20841109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868368 + ... + 868391.

It is an arithmetic number, because the mean of its divisors is an integer number (4052440).

Almost surely, 220841108 is an apocalyptic number.

It is an amenable number.

20841108 is an abundant number, since it is smaller than the sum of its proper divisors (27788172).

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

20841108 is a wasteful number, since it uses less digits than its factorization.

20841108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736766 (or 1736764 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 20841108 is about 4565.2062384957. The cubic root of 20841108 is about 275.1948283292.

The spelling of 20841108 in words is "twenty million, eight hundred forty-one thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 1736759 3473518 5210277 6947036 10420554 20841108