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20044570 = 2571322027
BaseRepresentation
bin100110001110…
…1101100011010
31101201100222111
41030131230122
520112411240
61553342534
7332242660
oct114355432
941640874
1020044570
1110350867
126867a4a
1341ca7c0
14293ac30
151b5e1ea
hex131db1a

20044570 has 32 divisors (see below), whose sum is σ = 44408448. Its totient is φ = 6343488.

The previous prime is 20044567. The next prime is 20044589. The reversal of 20044570 is 7544002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10104 + ... + 11923.

It is an arithmetic number, because the mean of its divisors is an integer number (1387764).

Almost surely, 220044570 is an apocalyptic number.

20044570 is an abundant number, since it is smaller than the sum of its proper divisors (24363878).

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

20044570 is a wasteful number, since it uses less digits than its factorization.

20044570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22054.

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

The square root of 20044570 is about 4477.1162593795. The cubic root of 20044570 is about 271.6432480513.

Adding to 20044570 its reverse (7544002), we get a palindrome (27588572).

The spelling of 20044570 in words is "twenty million, forty-four thousand, five hundred seventy".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 22027 44054 110135 154189 220270 286351 308378 572702 770945 1431755 1541890 2004457 2863510 4008914 10022285 20044570