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42530850 = 2325294513
BaseRepresentation
bin1010001000111…
…1100000100010
32222000210100200
42202033200202
541341441400
64115330030
71024335435
oct242174042
988023320
1042530850
112200a06a
12122b0916
138a717ab
14591181c
153b01b00
hex288f822

42530850 has 36 divisors (see below), whose sum is σ = 114267426. Its totient is φ = 11341440.

The previous prime is 42530843. The next prime is 42530867. The reversal of 42530850 is 5803524.

It can be written as a sum of positive squares in 3 ways, for example, as 38526849 + 4004001 = 6207^2 + 2001^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 46807 + ... + 47706.

Almost surely, 242530850 is an apocalyptic number.

42530850 is an abundant number, since it is smaller than the sum of its proper divisors (71736576).

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

42530850 is a wasteful number, since it uses less digits than its factorization.

42530850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94531 (or 94523 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 42530850 is about 6521.5680629738. The cubic root of 42530850 is about 349.0610205752.

The spelling of 42530850 in words is "forty-two million, five hundred thirty thousand, eight hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 450 94513 189026 283539 472565 567078 850617 945130 1417695 1701234 2362825 2835390 4253085 4725650 7088475 8506170 14176950 21265425 42530850