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20053712 = 247179051
BaseRepresentation
bin100110001111…
…1111011010000
31101201211112002
41030133323100
520113204322
61553453132
7332311430
oct114377320
941654462
1020053712
1110357718
1268711a8
134201a03
1429402c0
151b61c92
hex131fed0

20053712 has 20 divisors (see below), whose sum is σ = 44404896. Its totient is φ = 8594400.

The previous prime is 20053699. The next prime is 20053717. The reversal of 20053712 is 21735002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20053717) 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, 89414 + ... + 89637.

Almost surely, 220053712 is an apocalyptic number.

It is an amenable number.

20053712 is an abundant number, since it is smaller than the sum of its proper divisors (24351184).

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

20053712 is a wasteful number, since it uses less digits than its factorization.

20053712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179066 (or 179060 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 20053712 is about 4478.1371126842. The cubic root of 20053712 is about 271.6845391197.

Adding to 20053712 its reverse (21735002), we get a palindrome (41788714).

The spelling of 20053712 in words is "twenty million, fifty-three thousand, seven hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 112 179051 358102 716204 1253357 1432408 2506714 2864816 5013428 10026856 20053712