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42668108 = 2271523861
BaseRepresentation
bin1010001011000…
…1000001001100
32222021202122022
42202301001030
541410334413
64122305312
71025446550
oct242610114
988252568
1042668108
11220a31aa
1212358238
138abc102
145949860
153b2c608
hex28b104c

42668108 has 12 divisors (see below), whose sum is σ = 85336272. Its totient is φ = 18286320.

The previous prime is 42668099. The next prime is 42668111. The reversal of 42668108 is 80186624.

42668108 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761903 + ... + 761958.

It is an arithmetic number, because the mean of its divisors is an integer number (7111356).

Almost surely, 242668108 is an apocalyptic number.

It is an amenable number.

42668108 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42668108 is a wasteful number, since it uses less digits than its factorization.

42668108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523872 (or 1523870 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 42668108 is about 6532.0829755906. The cubic root of 42668108 is about 349.4361206022.

The spelling of 42668108 in words is "forty-two million, six hundred sixty-eight thousand, one hundred eight".

Divisors: 1 2 4 7 14 28 1523861 3047722 6095444 10667027 21334054 42668108