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20134030 = 257287629
BaseRepresentation
bin100110011001…
…1100010001110
31101212220200211
41030303202032
520123242110
61555313034
7333064540
oct114634216
941786624
1020134030
1110401aa4
1268ab77a
13422c437
142961690
151b7a98a
hex133388e

20134030 has 16 divisors (see below), whose sum is σ = 41418720. Its totient is φ = 6903072.

The previous prime is 20134003. The next prime is 20134043. The reversal of 20134030 is 3043102.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 20134030.

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, 143745 + ... + 143884.

It is an arithmetic number, because the mean of its divisors is an integer number (2588670).

Almost surely, 220134030 is an apocalyptic number.

20134030 is an abundant number, since it is smaller than the sum of its proper divisors (21284690).

20134030 is a wasteful number, since it uses less digits than its factorization.

20134030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287643.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20134030 is about 4487.0959428120. The cubic root of 20134030 is about 272.0467678377.

Adding to 20134030 its reverse (3043102), we get a palindrome (23177132).

The spelling of 20134030 in words is "twenty million, one hundred thirty-four thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 287629 575258 1438145 2013403 2876290 4026806 10067015 20134030