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42481184 = 252357719
BaseRepresentation
bin1010001000001…
…1011000100000
32221221021020012
42202003120200
541333344214
64114304052
71024040564
oct242033040
987837205
1042481184
1121a85819
1212288028
138a54cc5
1458db6a4
153ae203e
hex2883620

42481184 has 24 divisors (see below), whose sum is σ = 87272640. Its totient is φ = 20316736.

The previous prime is 42481183. The next prime is 42481189. The reversal of 42481184 is 48118424.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 42481184.

It is not an unprimeable number, because it can be changed into a prime (42481183) 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, 28124 + ... + 29595.

It is an arithmetic number, because the mean of its divisors is an integer number (3636360).

Almost surely, 242481184 is an apocalyptic number.

It is an amenable number.

42481184 is an abundant number, since it is smaller than the sum of its proper divisors (44791456).

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

42481184 is a wasteful number, since it uses less digits than its factorization.

42481184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57752 (or 57744 counting only the distinct ones).

The product of its digits is 8192, while the sum is 32.

The square root of 42481184 is about 6517.7591241162. The cubic root of 42481184 is about 348.9250940080.

The spelling of 42481184 in words is "forty-two million, four hundred eighty-one thousand, one hundred eighty-four".

Divisors: 1 2 4 8 16 23 32 46 92 184 368 736 57719 115438 230876 461752 923504 1327537 1847008 2655074 5310148 10620296 21240592 42481184