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42895312 = 2419149947
BaseRepresentation
bin1010001110100…
…0011111010000
32222201022022021
42203220133100
541440122222
64131221224
71030414135
oct243503720
988638267
1042895312
1122238979
1212447814
138b6b655
1459a858c
153b74ac7
hex28e87d0

42895312 has 40 divisors (see below), whose sum is σ = 88164000. Its totient is φ = 20161152.

The previous prime is 42895309. The next prime is 42895361. The reversal of 42895312 is 21359824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44823 + ... + 45769.

It is an arithmetic number, because the mean of its divisors is an integer number (2204100).

Almost surely, 242895312 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 42895312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44082000).

42895312 is an abundant number, since it is smaller than the sum of its proper divisors (45268688).

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

42895312 is a wasteful number, since it uses less digits than its factorization.

42895312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123 (or 1117 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 42895312 is about 6549.4512747252. The cubic root of 42895312 is about 350.0552620224.

The spelling of 42895312 in words is "forty-two million, eight hundred ninety-five thousand, three hundred twelve".

Divisors: 1 2 4 8 16 19 38 76 149 152 298 304 596 947 1192 1894 2384 2831 3788 5662 7576 11324 15152 17993 22648 35986 45296 71972 141103 143944 282206 287888 564412 1128824 2257648 2680957 5361914 10723828 21447656 42895312