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42861750 = 235357149
BaseRepresentation
bin1010001110000…
…0010010110110
32222122121021020
42203200102312
541433034000
64130402010
71030214241
oct243402266
988577236
1042861750
1122215738
1212430306
138b592a9
14599a258
153b69ba0
hex28e04b6

42861750 has 32 divisors (see below), whose sum is σ = 106984800. Its totient is φ = 11429600.

The previous prime is 42861733. The next prime is 42861751. The reversal of 42861750 is 5716824.

It is a super-2 number, since 2×428617502 = 3674259226125000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42861751) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 27825 + ... + 29324.

It is an arithmetic number, because the mean of its divisors is an integer number (3343275).

Almost surely, 242861750 is an apocalyptic number.

42861750 is an abundant number, since it is smaller than the sum of its proper divisors (64123050).

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

42861750 is a wasteful number, since it uses less digits than its factorization.

42861750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57169 (or 57159 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 42861750 is about 6546.8885739716. Note that the first 3 decimals coincide. The cubic root of 42861750 is about 349.9639418635.

The spelling of 42861750 in words is "forty-two million, eight hundred sixty-one thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 150 250 375 750 57149 114298 171447 285745 342894 571490 857235 1428725 1714470 2857450 4286175 7143625 8572350 14287250 21430875 42861750