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42532704 = 2532236421
BaseRepresentation
bin1010001000111…
…1111101100000
32222000212220100
42202033331200
541342021304
64115342400
71024344024
oct242177540
988025810
1042532704
11220104a5
12122b1a00
138a725a6
145912384
153b02439
hex288ff60

42532704 has 72 divisors (see below), whose sum is σ = 126230832. Its totient is φ = 13559040.

The previous prime is 42532673. The next prime is 42532709. The reversal of 42532704 is 40723524.

42532704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42532709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3414 + ... + 9834.

It is an arithmetic number, because the mean of its divisors is an integer number (1753206).

Almost surely, 242532704 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 42532704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63115416).

42532704 is an abundant number, since it is smaller than the sum of its proper divisors (83698128).

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

42532704 is a wasteful number, since it uses less digits than its factorization.

42532704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6460 (or 6449 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 42532704 is about 6521.7102051532. The cubic root of 42532704 is about 349.0660925777.

The spelling of 42532704 in words is "forty-two million, five hundred thirty-two thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 32 36 46 48 69 72 92 96 138 144 184 207 276 288 368 414 552 736 828 1104 1656 2208 3312 6421 6624 12842 19263 25684 38526 51368 57789 77052 102736 115578 147683 154104 205472 231156 295366 308208 443049 462312 590732 616416 886098 924624 1181464 1329147 1772196 1849248 2362928 2658294 3544392 4725856 5316588 7088784 10633176 14177568 21266352 42532704