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42806008 = 2372109199
BaseRepresentation
bin1010001101001…
…0101011111000
32222112202210201
42203102223320
541424243013
64125251544
71026562600
oct243225370
988482721
1042806008
1122187873
1212403bb4
138b39acb
145983c00
153b583dd
hex28d2af8

42806008 has 24 divisors (see below), whose sum is σ = 93366000. Its totient is φ = 18345264.

The previous prime is 42805999. The next prime is 42806041. The reversal of 42806008 is 80060824.

42806008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 54208 + ... + 54991.

It is an arithmetic number, because the mean of its divisors is an integer number (3890250).

Almost surely, 242806008 is an apocalyptic number.

It is an amenable number.

42806008 is an abundant number, since it is smaller than the sum of its proper divisors (50559992).

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

42806008 is a wasteful number, since it uses less digits than its factorization.

42806008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109219 (or 109208 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 42806008 is about 6542.6300522038. The cubic root of 42806008 is about 349.8121658800.

The spelling of 42806008 in words is "forty-two million, eight hundred six thousand, eight".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 109199 218398 436796 764393 873592 1528786 3057572 5350751 6115144 10701502 21403004 42806008