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42759530 = 25112316901
BaseRepresentation
bin1010001100011…
…1010101101010
32222110102001022
42203013111222
541421301110
64124252442
71026310232
oct243072552
988412038
1042759530
1122155960
12123a1122
138b218c8
145970cc2
153b49755
hex28c756a

42759530 has 32 divisors (see below), whose sum is σ = 87619968. Its totient is φ = 14872000.

The previous prime is 42759529. The next prime is 42759533. The reversal of 42759530 is 3595724.

42759530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42759533) 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 15 ways as a sum of consecutive naturals, for example, 5921 + ... + 10980.

It is an arithmetic number, because the mean of its divisors is an integer number (2738124).

Almost surely, 242759530 is an apocalyptic number.

42759530 is an abundant number, since it is smaller than the sum of its proper divisors (44860438).

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

42759530 is a wasteful number, since it uses less digits than its factorization.

42759530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16942.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 42759530 is about 6539.0771520146. The cubic root of 42759530 is about 349.6855134264.

The spelling of 42759530 in words is "forty-two million, seven hundred fifty-nine thousand, five hundred thirty".

Divisors: 1 2 5 10 11 22 23 46 55 110 115 230 253 506 1265 2530 16901 33802 84505 169010 185911 371822 388723 777446 929555 1859110 1943615 3887230 4275953 8551906 21379765 42759530