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42082345 = 531271499
BaseRepresentation
bin1010000010001…
…0000000101001
32221012000010101
42200202000221
541233113340
64101545401
71020460024
oct240420051
987160111
1042082345
11218330a8
1212115261
1389455c6
1458361bb
153a63c9a
hex2822029

42082345 has 8 divisors (see below), whose sum is σ = 52128000. Its totient is φ = 32579760.

The previous prime is 42082303. The next prime is 42082471. The reversal of 42082345 is 54328024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42082345 - 215 = 42049577 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135595 + ... + 135904.

It is an arithmetic number, because the mean of its divisors is an integer number (6516000).

Almost surely, 242082345 is an apocalyptic number.

It is an amenable number.

42082345 is a deficient number, since it is larger than the sum of its proper divisors (10045655).

42082345 is a wasteful number, since it uses less digits than its factorization.

42082345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271535.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 42082345 is about 6487.0906421908. The cubic root of 42082345 is about 347.8296855640.

The spelling of 42082345 in words is "forty-two million, eighty-two thousand, three hundred forty-five".

Divisors: 1 5 31 155 271499 1357495 8416469 42082345