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20053134 = 2321114063
BaseRepresentation
bin100110001111…
…1110010001110
31101201210201200
41030133302032
520113200014
61553450330
7332306643
oct114376216
941653650
1020053134
1110357242
1268709a6
13420167a
14293ddca
151b61a09
hex131fc8e

20053134 has 12 divisors (see below), whose sum is σ = 43448496. Its totient is φ = 6684372.

The previous prime is 20053129. The next prime is 20053147. The reversal of 20053134 is 43135002.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1114063 = 20053134 / (2 + 0 + 0 + 5 + 3 + 1 + 3 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 557014 + ... + 557049.

It is an arithmetic number, because the mean of its divisors is an integer number (3620708).

Almost surely, 220053134 is an apocalyptic number.

20053134 is an abundant number, since it is smaller than the sum of its proper divisors (23395362).

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

20053134 is a wasteful number, since it uses less digits than its factorization.

20053134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114071 (or 1114068 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 20053134 is about 4478.0725764552. The cubic root of 20053134 is about 271.6819288769.

Adding to 20053134 its reverse (43135002), we get a palindrome (63188136).

The spelling of 20053134 in words is "twenty million, fifty-three thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 18 1114063 2228126 3342189 6684378 10026567 20053134