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842588045 = 51312962893
BaseRepresentation
bin110010001110001…
…101111110001101
32011201110220111122
4302032031332031
53211200304140
6215335330325
726610610625
oct6216157615
92151426448
10842588045
113a2689962
121b62209a5
13105744710
147dc93885
154de8aab5
hex3238df8d

842588045 has 8 divisors (see below), whose sum is σ = 1088883096. Its totient is φ = 622218816.

The previous prime is 842588039. The next prime is 842588057. The reversal of 842588045 is 540885248.

It can be written as a sum of positive squares in 4 ways, for example, as 21316 + 842566729 = 146^2 + 29027^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 842588045 - 26 = 842587981 is a prime.

It is a super-2 number, since 2×8425880452 = 1419909227153844050, 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 = 842587987 and 842588005.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6481382 + ... + 6481511.

It is an arithmetic number, because the mean of its divisors is an integer number (136110387).

Almost surely, 2842588045 is an apocalyptic number.

It is an amenable number.

842588045 is a deficient number, since it is larger than the sum of its proper divisors (246295051).

842588045 is a wasteful number, since it uses less digits than its factorization.

842588045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12962911.

The product of its (nonzero) digits is 409600, while the sum is 44.

The square root of 842588045 is about 29027.3671730662. The cubic root of 842588045 is about 944.5068187973.

The spelling of 842588045 in words is "eight hundred forty-two million, five hundred eighty-eight thousand, forty-five".

Divisors: 1 5 13 65 12962893 64814465 168517609 842588045