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1022340213 = 32173656609
BaseRepresentation
bin111100111011111…
…010110001110101
32122020201021010100
4330323322301311
54043204341323
6245240144313
734222514466
oct7473726165
92566637110
101022340213
114850a2374
12246468099
13133a5c84b
1499ac4d6d
155eb45943
hex3cefac75

1022340213 has 12 divisors (see below), whose sum is σ = 1485251820. Its totient is φ = 677619456.

The previous prime is 1022340211. The next prime is 1022340217. The reversal of 1022340213 is 3120432201.

It can be written as a sum of positive squares in 2 ways, for example, as 483032484 + 539307729 = 21978^2 + 23223^2 .

It is not a de Polignac number, because 1022340213 - 21 = 1022340211 is a prime.

It is a super-2 number, since 2×10223402132 = 2090359022233770738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022340211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 326748 + ... + 329861.

It is an arithmetic number, because the mean of its divisors is an integer number (123770985).

Almost surely, 21022340213 is an apocalyptic number.

It is an amenable number.

1022340213 is a deficient number, since it is larger than the sum of its proper divisors (462911607).

1022340213 is a wasteful number, since it uses less digits than its factorization.

1022340213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656788 (or 656785 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1022340213 is about 31974.0553105170. The cubic root of 1022340213 is about 1007.3919619305.

Adding to 1022340213 its reverse (3120432201), we get a palindrome (4142772414).

The spelling of 1022340213 in words is "one billion, twenty-two million, three hundred forty thousand, two hundred thirteen".

Divisors: 1 3 9 173 519 1557 656609 1969827 5909481 113593357 340780071 1022340213