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20044750 = 2531137197
BaseRepresentation
bin100110001110…
…1101111001110
31101201101020011
41030131233032
520112413000
61553343434
7332243335
oct114355716
941641204
1020044750
1110350a10
126867b7a
1341ca8cb
14293ad1c
151b5e2ba
hex131dbce

20044750 has 64 divisors (see below), whose sum is σ = 42254784. Its totient is φ = 7056000.

The previous prime is 20044747. The next prime is 20044769. The reversal of 20044750 is 5744002.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101652 + ... + 101848.

It is an arithmetic number, because the mean of its divisors is an integer number (660231).

Almost surely, 220044750 is an apocalyptic number.

20044750 is an abundant number, since it is smaller than the sum of its proper divisors (22210034).

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

20044750 is a wasteful number, since it uses less digits than its factorization.

20044750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 20044750 is about 4477.1363615597. The cubic root of 20044750 is about 271.6440611666.

Adding to 20044750 its reverse (5744002), we get a palindrome (25788752).

The spelling of 20044750 in words is "twenty million, forty-four thousand, seven hundred fifty".

Divisors: 1 2 5 10 11 22 25 37 50 55 74 110 125 185 197 250 275 370 394 407 550 814 925 985 1375 1850 1970 2035 2167 2750 4070 4334 4625 4925 7289 9250 9850 10175 10835 14578 20350 21670 24625 36445 49250 50875 54175 72890 80179 101750 108350 160358 182225 270875 364450 400895 541750 801790 911125 1822250 2004475 4008950 10022375 20044750