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20414254 = 2713111131
BaseRepresentation
bin100110111011…
…1111100101110
31102102011002111
41031313330232
520211224004
62005314234
7335342530
oct115677456
942364074
1020414254
1110583593
126a0597a
1342c9b53
1429d5850
151bd3a04
hex1377f2e

20414254 has 16 divisors (see below), whose sum is σ = 35266176. Its totient is φ = 8681400.

The previous prime is 20414243. The next prime is 20414257. The reversal of 20414254 is 45241402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20414257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3732 + ... + 7399.

It is an arithmetic number, because the mean of its divisors is an integer number (2204136).

Almost surely, 220414254 is an apocalyptic number.

20414254 is a deficient number, since it is larger than the sum of its proper divisors (14851922).

20414254 is a wasteful number, since it uses less digits than its factorization.

20414254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11271.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 20414254 is about 4518.2135850356. The cubic root of 20414254 is about 273.3030665805.

Adding to 20414254 its reverse (45241402), we get a palindrome (65655656).

The spelling of 20414254 in words is "twenty million, four hundred fourteen thousand, two hundred fifty-four".

Divisors: 1 2 7 14 131 262 917 1834 11131 22262 77917 155834 1458161 2916322 10207127 20414254