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1304344223 = 71329494257
BaseRepresentation
bin100110110111110…
…1011011010011111
310100220100112220022
41031233223122133
510132403003343
6333232342355
744215512560
oct11557533237
93326315808
101304344223
1160a2a5136
123049a49bb
1317a2c9420
14c5332167
157979c568
hex4dbeb69f

1304344223 has 16 divisors (see below), whose sum is σ = 1660706880. Its totient is φ = 996420096.

The previous prime is 1304344219. The next prime is 1304344259. The reversal of 1304344223 is 3224434031.

It is not a de Polignac number, because 1304344223 - 22 = 1304344219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1304344192 and 1304344201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304344213) 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, 244490 + ... + 249767.

It is an arithmetic number, because the mean of its divisors is an integer number (103794180).

Almost surely, 21304344223 is an apocalyptic number.

1304344223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1304344223 is a deficient number, since it is larger than the sum of its proper divisors (356362657).

1304344223 is a wasteful number, since it uses less digits than its factorization.

1304344223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494306.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 1304344223 is about 36115.7060432162. The cubic root of 1304344223 is about 1092.6072375608.

Adding to 1304344223 its reverse (3224434031), we get a palindrome (4528778254).

The spelling of 1304344223 in words is "one billion, three hundred four million, three hundred forty-four thousand, two hundred twenty-three".

Divisors: 1 7 13 29 91 203 377 2639 494257 3459799 6425341 14333453 44977387 100334171 186334889 1304344223