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42319542 = 238384979
BaseRepresentation
bin1010000101101…
…1111010110110
32221122001111110
42201123322312
541313211132
64111015450
71022465406
oct241337266
987561443
1042319542
1121985331
121220a586
1389c9565
145898806
153aae1cc
hex285beb6

42319542 has 16 divisors (see below), whose sum is σ = 85659840. Its totient is φ = 13936392.

The previous prime is 42319531. The next prime is 42319547. The reversal of 42319542 is 24591324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42319547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41992 + ... + 42987.

It is an arithmetic number, because the mean of its divisors is an integer number (5353740).

Almost surely, 242319542 is an apocalyptic number.

42319542 is an abundant number, since it is smaller than the sum of its proper divisors (43340298).

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

42319542 is a wasteful number, since it uses less digits than its factorization.

42319542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85067.

The product of its digits is 8640, while the sum is 30.

The square root of 42319542 is about 6505.3471852008. The cubic root of 42319542 is about 348.4819751804.

The spelling of 42319542 in words is "forty-two million, three hundred nineteen thousand, five hundred forty-two".

Divisors: 1 2 3 6 83 166 249 498 84979 169958 254937 509874 7053257 14106514 21159771 42319542