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20038272 = 27352183
BaseRepresentation
bin100110001110…
…0001010000000
31101201001100020
41030130022000
520112211042
61553253440
7332215422
oct114341200
941631306
1020038272
1110347061
126864280
1341c7987
142938812
151b5c3ec
hex131c280

20038272 has 32 divisors (see below), whose sum is σ = 53227680. Its totient is φ = 6679296.

The previous prime is 20038253. The next prime is 20038273. The reversal of 20038272 is 27283002.

It is a tau number, because it is divible by the number of its divisors (32).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20038273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25708 + ... + 26475.

It is an arithmetic number, because the mean of its divisors is an integer number (1663365).

Almost surely, 220038272 is an apocalyptic number.

It is an amenable number.

20038272 is an abundant number, since it is smaller than the sum of its proper divisors (33189408).

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

20038272 is an equidigital number, since it uses as much as digits as its factorization.

20038272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52200 (or 52188 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 20038272 is about 4476.4128495929. The cubic root of 20038272 is about 271.6147949859.

The spelling of 20038272 in words is "twenty million, thirty-eight thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 52183 104366 156549 208732 313098 417464 626196 834928 1252392 1669856 2504784 3339712 5009568 6679424 10019136 20038272