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1023306164 = 221289198469
BaseRepresentation
bin111100111111100…
…110100110110100
32122022112100011022
4330333212212310
54043431244124
6245313000312
734233646616
oct7477464664
92568470138
101023306164
114856a2081
12246853098
1313400a40a
1499c96db6
155ec86c5e
hex3cfe69b4

1023306164 has 12 divisors (see below), whose sum is σ = 1792184100. Its totient is φ = 511253568.

The previous prime is 1023306149. The next prime is 1023306181. The reversal of 1023306164 is 4616033201.

It can be written as a sum of positive squares in 2 ways, for example, as 700025764 + 323280400 = 26458^2 + 17980^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94079 + ... + 104390.

It is an arithmetic number, because the mean of its divisors is an integer number (149348675).

Almost surely, 21023306164 is an apocalyptic number.

It is an amenable number.

1023306164 is a deficient number, since it is larger than the sum of its proper divisors (768877936).

1023306164 is a wasteful number, since it uses less digits than its factorization.

1023306164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199762 (or 199760 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1023306164 is about 31989.1569754503. The cubic root of 1023306164 is about 1007.7091378075.

Adding to 1023306164 its reverse (4616033201), we get a palindrome (5639339365).

The spelling of 1023306164 in words is "one billion, twenty-three million, three hundred six thousand, one hundred sixty-four".

Divisors: 1 2 4 1289 2578 5156 198469 396938 793876 255826541 511653082 1023306164