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42649350 = 2352331859
BaseRepresentation
bin1010001010110…
…0011100000110
32222020210220120
42202230130012
541404234400
64122042410
71025341062
oct242543406
988223816
1042649350
11220900a7
1212349406
138ab3703
145942aa2
153b26ca0
hex28ac706

42649350 has 48 divisors (see below), whose sum is σ = 106213440. Its totient is φ = 11325600.

The previous prime is 42649349. The next prime is 42649363. The reversal of 42649350 is 5394624.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49221 + ... + 50079.

It is an arithmetic number, because the mean of its divisors is an integer number (2212780).

Almost surely, 242649350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42649350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53106720).

42649350 is an abundant number, since it is smaller than the sum of its proper divisors (63564090).

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

42649350 is a wasteful number, since it uses less digits than its factorization.

42649350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 42649350 is about 6530.6469817316. The cubic root of 42649350 is about 349.3849060548.

The spelling of 42649350 in words is "forty-two million, six hundred forty-nine thousand, three hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 331 662 859 993 1655 1718 1986 2577 3310 4295 4965 5154 8275 8590 9930 12885 16550 21475 24825 25770 42950 49650 64425 128850 284329 568658 852987 1421645 1705974 2843290 4264935 7108225 8529870 14216450 21324675 42649350