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20054342 = 2711130223
BaseRepresentation
bin100110010000…
…0000101000110
31101201212101102
41030200011012
520113214332
61553500102
7332313320
oct114400506
941655342
1020054342
1110358140
126871632
134202099
142940610
151b62062
hex1320146

20054342 has 16 divisors (see below), whose sum is σ = 37504512. Its totient is φ = 7813320.

The previous prime is 20054327. The next prime is 20054347. The reversal of 20054342 is 24345002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20054347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64958 + ... + 65265.

It is an arithmetic number, because the mean of its divisors is an integer number (2344032).

Almost surely, 220054342 is an apocalyptic number.

20054342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20054342 is a deficient number, since it is larger than the sum of its proper divisors (17450170).

20054342 is a wasteful number, since it uses less digits than its factorization.

20054342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130243.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 20054342 is about 4478.2074538815. The cubic root of 20054342 is about 271.6873841369.

Adding to 20054342 its reverse (24345002), we get a palindrome (44399344).

The spelling of 20054342 in words is "twenty million, fifty-four thousand, three hundred forty-two".

Divisors: 1 2 7 11 14 22 77 154 130223 260446 911561 1432453 1823122 2864906 10027171 20054342