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1022530223 = 112132832297
BaseRepresentation
bin111100111100101…
…001001010101111
32122021001220202202
4330330221022233
54043231431343
6245244212115
734224235451
oct7474511257
92567056682
101022530223
11485212100
1224653a03b
13133ac8190
1499b342d1
155eb81db8
hex3cf292af

1022530223 has 24 divisors (see below), whose sum is σ = 1215200784. Its totient is φ = 854663040.

The previous prime is 1022530211. The next prime is 1022530237. The reversal of 1022530223 is 3220352201.

It is not a de Polignac number, because 1022530223 - 24 = 1022530207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022530195 and 1022530204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022530123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 444011 + ... + 446307.

It is an arithmetic number, because the mean of its divisors is an integer number (50633366).

Almost surely, 21022530223 is an apocalyptic number.

1022530223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1022530223 is a deficient number, since it is larger than the sum of its proper divisors (192670561).

1022530223 is a wasteful number, since it uses less digits than its factorization.

1022530223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615 (or 2604 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1022530223 is about 31977.0264877771. The cubic root of 1022530223 is about 1007.4543686476.

Adding to 1022530223 its reverse (3220352201), we get a palindrome (4242882424).

The spelling of 1022530223 in words is "one billion, twenty-two million, five hundred thirty thousand, two hundred twenty-three".

Divisors: 1 11 13 121 143 283 1573 2297 3113 3679 25267 29861 34243 40469 277937 328471 445159 650051 3613181 7150561 8450663 78656171 92957293 1022530223