Search a number
-
+
20441434 = 2132334183
BaseRepresentation
bin100110111111…
…0100101011010
31102110112101011
41031332211122
520213111214
62010044134
7335515006
oct115764532
942415334
1020441434
11105a1a52
126a1964a
134309330
142a01706
151bdbac4
hex137e95a

20441434 has 16 divisors (see below), whose sum is σ = 34457472. Its totient is φ = 9024048.

The previous prime is 20441419. The next prime is 20441437. The reversal of 20441434 is 43414402.

It is not an unprimeable number, because it can be changed into a prime (20441437) 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, 16494 + ... + 17689.

It is an arithmetic number, because the mean of its divisors is an integer number (2153592).

Almost surely, 220441434 is an apocalyptic number.

20441434 is a deficient number, since it is larger than the sum of its proper divisors (14016038).

20441434 is a wasteful number, since it uses less digits than its factorization.

20441434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34221.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 20441434 is about 4521.2204104644. The cubic root of 20441434 is about 273.4243067528.

Adding to 20441434 its reverse (43414402), we get a palindrome (63855836).

The spelling of 20441434 in words is "twenty million, four hundred forty-one thousand, four hundred thirty-four".

Divisors: 1 2 13 23 26 46 299 598 34183 68366 444379 786209 888758 1572418 10220717 20441434