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42628008 = 2339718311
BaseRepresentation
bin1010001010011…
…1001110101000
32222012201122010
42202213032220
541403044013
64121355520
71025221623
oct242471650
988181563
1042628008
1122076065
1212338ba0
138aa6a97
145938dba
153b207c3
hex28a73a8

42628008 has 32 divisors (see below), whose sum is σ = 107674560. Its totient is φ = 14062080.

The previous prime is 42627997. The next prime is 42628021. The reversal of 42628008 is 80082624.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6828 + ... + 11483.

It is an arithmetic number, because the mean of its divisors is an integer number (3364830).

Almost surely, 242628008 is an apocalyptic number.

It is an amenable number.

42628008 is an abundant number, since it is smaller than the sum of its proper divisors (65046552).

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

42628008 is a wasteful number, since it uses less digits than its factorization.

42628008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18417 (or 18413 counting only the distinct ones).

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

The square root of 42628008 is about 6529.0127890823. The cubic root of 42628008 is about 349.3266182045.

The spelling of 42628008 in words is "forty-two million, six hundred twenty-eight thousand, eight".

Divisors: 1 2 3 4 6 8 12 24 97 194 291 388 582 776 1164 2328 18311 36622 54933 73244 109866 146488 219732 439464 1776167 3552334 5328501 7104668 10657002 14209336 21314004 42628008