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1304344353 = 31397344791
BaseRepresentation
bin100110110111110…
…1011011100100001
310100220100120002010
41031233223130201
510132403004403
6333232343133
744215513134
oct11557533441
93326316063
101304344353
1160a2a5244
123049a4aa9
1317a2c94c0
14c533221b
157979c603
hex4dbeb721

1304344353 has 16 divisors (see below), whose sum is σ = 1892218496. Its totient is φ = 794396160.

The previous prime is 1304344333. The next prime is 1304344369. The reversal of 1304344353 is 3534434031.

It is not a de Polignac number, because 1304344353 - 216 = 1304278817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1304344353.

It is not an unprimeable number, because it can be changed into a prime (1304344333) 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, 168613 + ... + 176178.

It is an arithmetic number, because the mean of its divisors is an integer number (118263656).

Almost surely, 21304344353 is an apocalyptic number.

1304344353 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1304344353 is a deficient number, since it is larger than the sum of its proper divisors (587874143).

1304344353 is a wasteful number, since it uses less digits than its factorization.

1304344353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344904.

The product of its (nonzero) digits is 25920, while the sum is 30.

The square root of 1304344353 is about 36115.7078429871. The cubic root of 1304344353 is about 1092.6072738598.

Adding to 1304344353 its reverse (3534434031), we get a palindrome (4838778384).

The spelling of 1304344353 in words is "one billion, three hundred four million, three hundred forty-four thousand, three hundred fifty-three".

Divisors: 1 3 13 39 97 291 1261 3783 344791 1034373 4482283 13446849 33444727 100334181 434781451 1304344353