Search a number
-
+
20084448 = 253209213
BaseRepresentation
bin100110010011…
…1011011100000
31101210101200110
41030213123200
520120200243
61554251320
7332500146
oct114473340
941711613
1020084448
111037881a
126886b40
1342129b7
14294b596
151b6ae33
hex13276e0

20084448 has 24 divisors (see below), whose sum is σ = 52721928. Its totient is φ = 6694784.

The previous prime is 20084447. The next prime is 20084461. The reversal of 20084448 is 84448002.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20084447) 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, 104511 + ... + 104702.

It is an arithmetic number, because the mean of its divisors is an integer number (2196747).

Almost surely, 220084448 is an apocalyptic number.

It is an amenable number.

20084448 is an abundant number, since it is smaller than the sum of its proper divisors (32637480).

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

20084448 is a wasteful number, since it uses less digits than its factorization.

20084448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209226 (or 209218 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 20084448 is about 4481.5675828888. The cubic root of 20084448 is about 271.8232704329.

It can be divided in two parts, 200 and 84448, that added together give a palindrome (84648).

The spelling of 20084448 in words is "twenty million, eighty-four thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 209213 418426 627639 836852 1255278 1673704 2510556 3347408 5021112 6694816 10042224 20084448