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42188008 = 239715431
BaseRepresentation
bin1010000011101…
…1110011101000
32221101101001211
42200323303220
541300004013
64104122504
71021410052
oct240736350
987341054
1042188008
11218a5525
1212166434
138981725
1458628d2
153a8523d
hex283bce8

42188008 has 16 divisors (see below), whose sum is σ = 79198560. Its totient is φ = 21068400.

The previous prime is 42187997. The next prime is 42188017. The reversal of 42188008 is 80088124.

42188008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 5053 + ... + 10483.

It is an arithmetic number, because the mean of its divisors is an integer number (4949910).

Almost surely, 242188008 is an apocalyptic number.

It is an amenable number.

42188008 is a deficient number, since it is larger than the sum of its proper divisors (37010552).

42188008 is a wasteful number, since it uses less digits than its factorization.

42188008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6408 (or 6404 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 42188008 is about 6495.2296341238. The cubic root of 42188008 is about 348.1205598055.

The spelling of 42188008 in words is "forty-two million, one hundred eighty-eight thousand, eight".

Divisors: 1 2 4 8 971 1942 3884 5431 7768 10862 21724 43448 5273501 10547002 21094004 42188008