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20040950 = 2522771447
BaseRepresentation
bin100110001110…
…0110011110110
31101201012000102
41030130303312
520112302300
61553314102
7332226266
oct114346366
941635012
1020040950
1110349076
126865932
1341c8c67
1429397a6
151b5d0d5
hex131ccf6

20040950 has 24 divisors (see below), whose sum is σ = 37436592. Its totient is φ = 7981920.

The previous prime is 20040929. The next prime is 20040959. The reversal of 20040950 is 5904002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20040959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13127 + ... + 14573.

It is an arithmetic number, because the mean of its divisors is an integer number (1559858).

Almost surely, 220040950 is an apocalyptic number.

20040950 is a deficient number, since it is larger than the sum of its proper divisors (17395642).

20040950 is a wasteful number, since it uses less digits than its factorization.

20040950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736 (or 1731 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 20040950 is about 4476.7119630372. The cubic root of 20040950 is about 271.6268943662.

Adding to 20040950 its reverse (5904002), we get a palindrome (25944952).

The spelling of 20040950 in words is "twenty million, forty thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 277 554 1385 1447 2770 2894 6925 7235 13850 14470 36175 72350 400819 801638 2004095 4008190 10020475 20040950