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20044030 = 253076529
BaseRepresentation
bin100110001110…
…1100011111110
31101201100020111
41030131203332
520112402110
61553340234
7332241256
oct114354376
941640214
1020044030
1110350416
12686767a
1341ca496
14293a966
151b5de8a
hex131d8fe

20044030 has 16 divisors (see below), whose sum is σ = 36202320. Its totient is φ = 7990272.

The previous prime is 20044027. The next prime is 20044061. The reversal of 20044030 is 3044002.

It is a self number, because there is not a number n which added to its sum of digits gives 20044030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195 + ... + 6334.

It is an arithmetic number, because the mean of its divisors is an integer number (2262645).

Almost surely, 220044030 is an apocalyptic number.

20044030 is a deficient number, since it is larger than the sum of its proper divisors (16158290).

20044030 is a wasteful number, since it uses less digits than its factorization.

20044030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6843.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 20044030 is about 4477.0559522972. The cubic root of 20044030 is about 271.6408086763.

Adding to 20044030 its reverse (3044002), we get a palindrome (23088032).

The spelling of 20044030 in words is "twenty million, forty-four thousand, thirty".

Divisors: 1 2 5 10 307 614 1535 3070 6529 13058 32645 65290 2004403 4008806 10022015 20044030