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42876549 = 3247101363
BaseRepresentation
bin1010001110001…
…1111010000101
32222200100120100
42203203322011
541434022144
64130554313
71030305342
oct243437205
988610510
1042876549
1122225871
1212438999
138b62c51
1459a17c9
153b6e269
hex28e3e85

42876549 has 12 divisors (see below), whose sum is σ = 63251136. Its totient is φ = 27975912.

The previous prime is 42876511. The next prime is 42876557. The reversal of 42876549 is 94567824.

It is a happy number.

42876549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42876549 - 223 = 34487941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42876149) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 50259 + ... + 51104.

It is an arithmetic number, because the mean of its divisors is an integer number (5270928).

Almost surely, 242876549 is an apocalyptic number.

It is an amenable number.

42876549 is a deficient number, since it is larger than the sum of its proper divisors (20374587).

42876549 is a wasteful number, since it uses less digits than its factorization.

42876549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101416 (or 101413 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 42876549 is about 6548.0187079757. The cubic root of 42876549 is about 350.0042149152.

The spelling of 42876549 in words is "forty-two million, eight hundred seventy-six thousand, five hundred forty-nine".

Divisors: 1 3 9 47 141 423 101363 304089 912267 4764061 14292183 42876549