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544123434 = 23131692269
BaseRepresentation
bin100000011011101…
…010101000101010
31101220212100000210
4200123222220222
52103243422214
6125554241550
716324654461
oct4033525052
91356770023
10544123434
1125a163a98
121322862b6
138896373a
145239d9d8
1532b81b59
hex206eaa2a

544123434 has 16 divisors (see below), whose sum is σ = 1096555680. Its totient is φ = 179989680.

The previous prime is 544123381. The next prime is 544123441. The reversal of 544123434 is 434321445.

It is a super-2 number, since 2×5441234342 = 592140622855904712, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345349 + ... + 346920.

It is an arithmetic number, because the mean of its divisors is an integer number (68534730).

Almost surely, 2544123434 is an apocalyptic number.

544123434 is an abundant number, since it is smaller than the sum of its proper divisors (552432246).

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

544123434 is a wasteful number, since it uses less digits than its factorization.

544123434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692405.

The product of its digits is 23040, while the sum is 30.

The square root of 544123434 is about 23326.4535238428. The cubic root of 544123434 is about 816.3927577505.

Adding to 544123434 its reverse (434321445), we get a palindrome (978444879).

The spelling of 544123434 in words is "five hundred forty-four million, one hundred twenty-three thousand, four hundred thirty-four".

Divisors: 1 2 3 6 131 262 393 786 692269 1384538 2076807 4153614 90687239 181374478 272061717 544123434