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42008268 = 2233500689
BaseRepresentation
bin1010000000111…
…1111011001100
32221001020111210
42200033323030
541223231033
64100214420
71020031041
oct240177314
987036453
1042008268
1121792485
121209a410
13891a983
1458171c8
153a4bd63
hex280fecc

42008268 has 12 divisors (see below), whose sum is σ = 98019320. Its totient is φ = 14002752.

The previous prime is 42008261. The next prime is 42008293. The reversal of 42008268 is 86280024.

It is a happy number.

42008268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (42008261) 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 3 ways as a sum of consecutive naturals, for example, 1750333 + ... + 1750356.

Almost surely, 242008268 is an apocalyptic number.

It is an amenable number.

42008268 is an abundant number, since it is smaller than the sum of its proper divisors (56011052).

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

42008268 is a wasteful number, since it uses less digits than its factorization.

42008268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500696 (or 3500694 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 42008268 is about 6481.3785570664. The cubic root of 42008268 is about 347.6254723479.

The spelling of 42008268 in words is "forty-two million, eight thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 3500689 7001378 10502067 14002756 21004134 42008268