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42681008 = 2423115981
BaseRepresentation
bin1010001011010…
…0001010110000
32222022102100002
42202310022300
541411243013
64122445132
71025532266
oct242641260
988272302
1042681008
1122101967
12123637a8
138ac4c46
145950436
153b31358
hex28b42b0

42681008 has 20 divisors (see below), whose sum is σ = 86290608. Its totient is φ = 20412480.

The previous prime is 42680977. The next prime is 42681019. The reversal of 42681008 is 80018624.

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, 57623 + ... + 58358.

Almost surely, 242681008 is an apocalyptic number.

It is an amenable number.

42681008 is an abundant number, since it is smaller than the sum of its proper divisors (43609600).

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

42681008 is a wasteful number, since it uses less digits than its factorization.

42681008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116012 (or 116006 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 42681008 is about 6533.0703348426. The cubic root of 42681008 is about 349.4713324733.

The spelling of 42681008 in words is "forty-two million, six hundred eighty-one thousand, eight".

Divisors: 1 2 4 8 16 23 46 92 184 368 115981 231962 463924 927848 1855696 2667563 5335126 10670252 21340504 42681008