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42080808 = 23372113253
BaseRepresentation
bin1010000010000…
…1101000101000
32221011221000110
42200201220220
541233041213
64101534320
71020452400
oct240415050
987157013
1042080808
1121831a30
12121143a0
1389449b3
145835800
153a635c3
hex2821a28

42080808 has 96 divisors (see below), whose sum is σ = 133544160. Its totient is φ = 10926720.

The previous prime is 42080807. The next prime is 42080821. The reversal of 42080808 is 80808024.

It is not an unprimeable number, because it can be changed into a prime (42080807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11310 + ... + 14562.

It is an arithmetic number, because the mean of its divisors is an integer number (1391085).

Almost surely, 242080808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42080808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66772080).

42080808 is an abundant number, since it is smaller than the sum of its proper divisors (91463352).

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

42080808 is a wasteful number, since it uses less digits than its factorization.

42080808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287 (or 3276 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 42080808 is about 6486.9721750598. The cubic root of 42080808 is about 347.8254508449.

The spelling of 42080808 in words is "forty-two million, eighty thousand, eight hundred eight".

Divisors: 1 2 3 4 6 7 8 11 12 14 21 22 24 28 33 42 44 49 56 66 77 84 88 98 132 147 154 168 196 231 264 294 308 392 462 539 588 616 924 1078 1176 1617 1848 2156 3234 3253 4312 6468 6506 9759 12936 13012 19518 22771 26024 35783 39036 45542 68313 71566 78072 91084 107349 136626 143132 159397 182168 214698 250481 273252 286264 318794 429396 478191 500962 546504 637588 751443 858792 956382 1001924 1275176 1502886 1753367 1912764 2003848 3005772 3506734 3825528 5260101 6011544 7013468 10520202 14026936 21040404 42080808