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42842408 = 237765043
BaseRepresentation
bin1010001101101…
…1100100101000
32222121121201212
42203123210220
541431424113
64130132252
71030103660
oct243334450
988547655
1042842408
1122202154
1212421088
138b5054b
1459931a0
153b640a8
hex28db928

42842408 has 16 divisors (see below), whose sum is σ = 91805280. Its totient is φ = 18361008.

The previous prime is 42842383. The next prime is 42842419. The reversal of 42842408 is 80424824.

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, 382466 + ... + 382577.

It is an arithmetic number, because the mean of its divisors is an integer number (5737830).

Almost surely, 242842408 is an apocalyptic number.

It is an amenable number.

42842408 is an abundant number, since it is smaller than the sum of its proper divisors (48962872).

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

42842408 is a wasteful number, since it uses less digits than its factorization.

42842408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765056 (or 765052 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 42842408 is about 6545.4112170283. The cubic root of 42842408 is about 349.9112918043.

The spelling of 42842408 in words is "forty-two million, eight hundred forty-two thousand, four hundred eight".

Divisors: 1 2 4 7 8 14 28 56 765043 1530086 3060172 5355301 6120344 10710602 21421204 42842408