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42866285 = 5711111341
BaseRepresentation
bin1010001110000…
…1011001101101
32222122211111012
42203201121231
541433210120
64130435005
71030233410
oct243413155
988584435
1042866285
1122219090
1212432a65
138b5b387
14599bb77
153b6b1c5
hex28e166d

42866285 has 16 divisors (see below), whose sum is σ = 64132992. Its totient is φ = 26721600.

The previous prime is 42866251. The next prime is 42866287. The reversal of 42866285 is 58266824.

42866285 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 42866285 - 26 = 42866221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42866287) 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 15 ways as a sum of consecutive naturals, for example, 55286 + ... + 56055.

It is an arithmetic number, because the mean of its divisors is an integer number (4008312).

Almost surely, 242866285 is an apocalyptic number.

It is an amenable number.

42866285 is a deficient number, since it is larger than the sum of its proper divisors (21266707).

42866285 is a wasteful number, since it uses less digits than its factorization.

42866285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111364.

The product of its digits is 184320, while the sum is 41.

The square root of 42866285 is about 6547.2349125413. The cubic root of 42866285 is about 349.9762841073.

The spelling of 42866285 in words is "forty-two million, eight hundred sixty-six thousand, two hundred eighty-five".

Divisors: 1 5 7 11 35 55 77 385 111341 556705 779387 1224751 3896935 6123755 8573257 42866285