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1023223313 = 74311712903
BaseRepresentation
bin111100111111010…
…010011000010001
32122022101010111202
4330333102120101
54043421121223
6245311120545
734233153230
oct7477223021
92568333452
101023223313
11485645902
12246813155
13133cab7a8
1499c74b17
155ec6c428
hex3cfd2611

1023223313 has 16 divisors (see below), whose sum is σ = 1198027776. Its totient is φ = 855625680.

The previous prime is 1023223309. The next prime is 1023223339. The reversal of 1023223313 is 3133223201.

It is not a de Polignac number, because 1023223313 - 22 = 1023223309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1023223343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351020 + ... + 353922.

It is an arithmetic number, because the mean of its divisors is an integer number (74876736).

Almost surely, 21023223313 is an apocalyptic number.

It is an amenable number.

1023223313 is a deficient number, since it is larger than the sum of its proper divisors (174804463).

1023223313 is a wasteful number, since it uses less digits than its factorization.

1023223313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4124.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1023223313 is about 31987.8619635636. The cubic root of 1023223313 is about 1007.6819410063.

Adding to 1023223313 its reverse (3133223201), we get a palindrome (4156446514).

The spelling of 1023223313 in words is "one billion, twenty-three million, two hundred twenty-three thousand, three hundred thirteen".

Divisors: 1 7 43 301 1171 2903 8197 20321 50353 124829 352471 873803 3399413 23795891 146174759 1023223313