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42050512 = 247375451
BaseRepresentation
bin1010000001101…
…0001111010000
32221010101110101
42200122033100
541231104022
64101142144
71020265150
oct240321720
987111411
1042050512
1121811199
12120ba954
138933c7a
145828760
153a59627
hex281a3d0

42050512 has 20 divisors (see below), whose sum is σ = 93112096. Its totient is φ = 18021600.

The previous prime is 42050497. The next prime is 42050513. The reversal of 42050512 is 21505024.

It is a self number, because there is not a number n which added to its sum of digits gives 42050512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42050513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187614 + ... + 187837.

Almost surely, 242050512 is an apocalyptic number.

It is an amenable number.

42050512 is an abundant number, since it is smaller than the sum of its proper divisors (51061584).

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

42050512 is a wasteful number, since it uses less digits than its factorization.

42050512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375466 (or 375460 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 42050512 is about 6484.6366127949. The cubic root of 42050512 is about 347.7419587080.

Adding to 42050512 its reverse (21505024), we get a palindrome (63555536).

It can be divided in two parts, 42050 and 512, that multiplied together give a square (21529600 = 46402).

The spelling of 42050512 in words is "forty-two million, fifty thousand, five hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 112 375451 750902 1501804 2628157 3003608 5256314 6007216 10512628 21025256 42050512