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42532319 = 409103991
BaseRepresentation
bin1010001000111…
…1110111011111
32222000212101002
42202033313133
541342013234
64115340515
71024342634
oct242176737
988025332
1042532319
1122010185
12122b173b
138a7236b
14591218b
153b0227e
hex288fddf

42532319 has 4 divisors (see below), whose sum is σ = 42636720. Its totient is φ = 42427920.

The previous prime is 42532261. The next prime is 42532327. The reversal of 42532319 is 91323524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42532319 - 216 = 42466783 is a prime.

It is a super-2 number, since 2×425323192 = 3617996319035522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42532291 and 42532300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42532339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51587 + ... + 52404.

It is an arithmetic number, because the mean of its divisors is an integer number (10659180).

Almost surely, 242532319 is an apocalyptic number.

42532319 is a deficient number, since it is larger than the sum of its proper divisors (104401).

42532319 is a wasteful number, since it uses less digits than its factorization.

42532319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104400.

The product of its digits is 6480, while the sum is 29.

The square root of 42532319 is about 6521.6806882889. The cubic root of 42532319 is about 349.0650393423.

The spelling of 42532319 in words is "forty-two million, five hundred thirty-two thousand, three hundred nineteen".

Divisors: 1 409 103991 42532319