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1303304223 = 313236123819
BaseRepresentation
bin100110110101110…
…1101100000011111
310100211101201021210
41031223231200133
510132121213343
6333154155503
744203621524
oct11553554037
93324351253
101303304223
11609754831
12304582b93
1317a023c40
14c514114b
1579644333
hex4daed81f

1303304223 has 32 divisors (see below), whose sum is σ = 1984872960. Its totient is φ = 754554240.

The previous prime is 1303304213. The next prime is 1303304231. The reversal of 1303304223 is 3224033031.

It is not a de Polignac number, because 1303304223 - 29 = 1303303711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1303304223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303304213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42808 + ... + 66626.

It is an arithmetic number, because the mean of its divisors is an integer number (62027280).

Almost surely, 21303304223 is an apocalyptic number.

1303304223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1303304223 is a deficient number, since it is larger than the sum of its proper divisors (681568737).

1303304223 is a wasteful number, since it uses less digits than its factorization.

1303304223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23919.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 1303304223 is about 36101.3050041131. The cubic root of 1303304223 is about 1092.3167688210.

Adding to 1303304223 its reverse (3224033031), we get a palindrome (4527337254).

It can be divided in two parts, 13033042 and 23, that added together give a triangular number (13033065 = T5105).

The spelling of 1303304223 in words is "one billion, three hundred three million, three hundred four thousand, two hundred twenty-three".

Divisors: 1 3 13 23 39 61 69 183 299 793 897 1403 2379 4209 18239 23819 54717 71457 309647 547837 928941 1452959 1643511 4358877 7121881 18888467 21365643 33418057 56665401 100254171 434434741 1303304223