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54338538 = 23131257269
BaseRepresentation
bin1100111101001…
…0001111101010
310210020200110110
43033102033222
5102402313123
65220355150
71226604252
oct317221752
9123220413
1054338538
1128744391
1216245ab6
13b3470a7
147306962
154b85493
hex33d23ea

54338538 has 32 divisors (see below), whose sum is σ = 110341440. Its totient is φ = 17838080.

The previous prime is 54338521. The next prime is 54338539. The reversal of 54338538 is 83583345.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54338496 and 54338505.

It is not an unprimeable number, because it can be changed into a prime (54338539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201868 + ... + 202136.

It is an arithmetic number, because the mean of its divisors is an integer number (3448170).

Almost surely, 254338538 is an apocalyptic number.

54338538 is an abundant number, since it is smaller than the sum of its proper divisors (56002902).

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

54338538 is a wasteful number, since it uses less digits than its factorization.

54338538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662.

The product of its digits is 172800, while the sum is 39.

The square root of 54338538 is about 7371.4678321214. The cubic root of 54338538 is about 378.7645425692.

The spelling of 54338538 in words is "fifty-four million, three hundred thirty-eight thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 131 257 262 269 393 514 538 771 786 807 1542 1614 33667 35239 67334 69133 70478 101001 105717 138266 202002 207399 211434 414798 9056423 18112846 27169269 54338538