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1022056061 = 1326047669
BaseRepresentation
bin111100111010110…
…101011001111101
32122020011211100012
4330322311121331
54043121243221
6245230113005
734220222165
oct7472653175
92566154305
101022056061
11484a18934
1224634b765
13133990400
1499a4d5a5
155eadb65b
hex3ceb567d

1022056061 has 6 divisors (see below), whose sum is σ = 1106723610. Its totient is φ = 943436208.

The previous prime is 1022056051. The next prime is 1022056109. The reversal of 1022056061 is 1606502201.

It can be written as a sum of positive squares in 3 ways, for example, as 17799961 + 1004256100 = 4219^2 + 31690^2 .

It is a de Polignac number, because none of the positive numbers 2k-1022056061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022056051) 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, 3023666 + ... + 3024003.

It is an arithmetic number, because the mean of its divisors is an integer number (184453935).

Almost surely, 21022056061 is an apocalyptic number.

It is an amenable number.

1022056061 is a deficient number, since it is larger than the sum of its proper divisors (84667549).

1022056061 is an equidigital number, since it uses as much as digits as its factorization.

1022056061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6047695 (or 6047682 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1022056061 is about 31969.6115240708. The cubic root of 1022056061 is about 1007.2986208679.

Adding to 1022056061 its reverse (1606502201), we get a palindrome (2628558262).

The spelling of 1022056061 in words is "one billion, twenty-two million, fifty-six thousand, sixty-one".

Divisors: 1 13 169 6047669 78619697 1022056061