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42175008 = 2532236367
BaseRepresentation
bin1010000011100…
…0101000100000
32221100201020100
42200320220200
541244100013
64103542400
71021324131
oct240705040
987321210
1042175008
1121896787
121215aa00
138978835
14585bc88
153a81473
hex2838a20

42175008 has 72 divisors (see below), whose sum is σ = 125169408. Its totient is φ = 13444992.

The previous prime is 42174997. The next prime is 42175033. The reversal of 42175008 is 80057124.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3441 + ... + 9807.

It is an arithmetic number, because the mean of its divisors is an integer number (1738464).

Almost surely, 242175008 is an apocalyptic number.

42175008 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42175008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62584704).

42175008 is an abundant number, since it is smaller than the sum of its proper divisors (82994400).

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

42175008 is a wasteful number, since it uses less digits than its factorization.

42175008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6406 (or 6395 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 42175008 is about 6494.2288225778. The cubic root of 42175008 is about 348.0847989940.

The spelling of 42175008 in words is "forty-two million, one hundred seventy-five thousand, eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 32 36 46 48 69 72 92 96 138 144 184 207 276 288 368 414 552 736 828 1104 1656 2208 3312 6367 6624 12734 19101 25468 38202 50936 57303 76404 101872 114606 146441 152808 203744 229212 292882 305616 439323 458424 585764 611232 878646 916848 1171528 1317969 1757292 1833696 2343056 2635938 3514584 4686112 5271876 7029168 10543752 14058336 21087504 42175008