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42625843 = 1316372003
BaseRepresentation
bin1010001010011…
…0101100110011
32222012121122221
42202212230303
541403011333
64121341511
71025212411
oct242465463
988177587
1042625843
1122074477
1212337897
138aa5ac0
1459382b1
153b1ed2d
hex28a6b33

42625843 has 8 divisors (see below), whose sum is σ = 45955728. Its totient is φ = 39303264.

The previous prime is 42625841. The next prime is 42625897. The reversal of 42625843 is 34852624.

42625843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42625843 - 21 = 42625841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42625799 and 42625808.

It is not an unprimeable number, because it can be changed into a prime (42625841) 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 7 ways as a sum of consecutive naturals, for example, 20280 + ... + 22282.

It is an arithmetic number, because the mean of its divisors is an integer number (5744466).

Almost surely, 242625843 is an apocalyptic number.

42625843 is a deficient number, since it is larger than the sum of its proper divisors (3329885).

42625843 is a wasteful number, since it uses less digits than its factorization.

42625843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3653.

The product of its digits is 46080, while the sum is 34.

The square root of 42625843 is about 6528.8469885578. The cubic root of 42625843 is about 349.3207042137.

The spelling of 42625843 in words is "forty-two million, six hundred twenty-five thousand, eight hundred forty-three".

Divisors: 1 13 1637 2003 21281 26039 3278911 42625843