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544042239 = 31349128411
BaseRepresentation
bin100000011011010…
…110110011111111
31101220201012122120
4200123112303333
52103233322424
6125552414023
716324165656
oct4033266377
91356635576
10544042239
1125a108a94
12132247313
13889357b0
145237c19d
1532b67a79
hex206d6cff

544042239 has 16 divisors (see below), whose sum is σ = 782807424. Its totient is φ = 334101600.

The previous prime is 544042231. The next prime is 544042259. The reversal of 544042239 is 932240445.

It is not a de Polignac number, because 544042239 - 23 = 544042231 is a prime.

It is a super-2 number, since 2×5440422392 = 591963915632266242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544042231) 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, 4944 + ... + 33354.

It is an arithmetic number, because the mean of its divisors is an integer number (48925464).

Almost surely, 2544042239 is an apocalyptic number.

544042239 is a deficient number, since it is larger than the sum of its proper divisors (238765185).

544042239 is a wasteful number, since it uses less digits than its factorization.

544042239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28918.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 544042239 is about 23324.7130528973. The cubic root of 544042239 is about 816.3521479040.

The spelling of 544042239 in words is "five hundred forty-four million, forty-two thousand, two hundred thirty-nine".

Divisors: 1 3 13 39 491 1473 6383 19149 28411 85233 369343 1108029 13949801 41849403 181347413 544042239