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1020442041 = 32113382449
BaseRepresentation
bin111100110100101…
…011010110111001
32122010010211022200
4330310223112321
54042213121131
6245131340413
734200420453
oct7464532671
92563124280
101020442041
11484016233
122458b1709
13133546878
149974d2d3
155e8bd2e6
hex3cd2b5b9

1020442041 has 6 divisors (see below), whose sum is σ = 1473971850. Its totient is φ = 680294688.

The previous prime is 1020442039. The next prime is 1020442069. The reversal of 1020442041 is 1402440201.

1020442041 is a `hidden beast` number, since 1 + 0 + 204 + 420 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 962240400 + 58201641 = 31020^2 + 7629^2 .

It is not a de Polignac number, because 1020442041 - 21 = 1020442039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020442001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56691216 + ... + 56691233.

It is an arithmetic number, because the mean of its divisors is an integer number (245661975).

Almost surely, 21020442041 is an apocalyptic number.

It is an amenable number.

1020442041 is a deficient number, since it is larger than the sum of its proper divisors (453529809).

1020442041 is a wasteful number, since it uses less digits than its factorization.

1020442041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113382455 (or 113382452 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1020442041 is about 31944.3585160197. The cubic root of 1020442041 is about 1006.7681031044.

Adding to 1020442041 its reverse (1402440201), we get a palindrome (2422882242).

The spelling of 1020442041 in words is "one billion, twenty million, four hundred forty-two thousand, forty-one".

Divisors: 1 3 9 113382449 340147347 1020442041