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1304411311 = 7226620639
BaseRepresentation
bin100110110111111…
…1011110010101111
310100220110221221001
41031233323302233
510132412130221
6333234021131
744216212300
oct11557736257
93326427831
101304411311
1160a340585
12304a177a7
1317a320b18
14c534c7a7
15797b2391
hex4dbfbcaf

1304411311 has 6 divisors (see below), whose sum is σ = 1517376480. Its totient is φ = 1118066796.

The previous prime is 1304411293. The next prime is 1304411341. The reversal of 1304411311 is 1131144031.

It is not a de Polignac number, because 1304411311 - 25 = 1304411279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304411341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13310271 + ... + 13310368.

It is an arithmetic number, because the mean of its divisors is an integer number (252896080).

Almost surely, 21304411311 is an apocalyptic number.

1304411311 is a deficient number, since it is larger than the sum of its proper divisors (212965169).

1304411311 is an equidigital number, since it uses as much as digits as its factorization.

1304411311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26620653 (or 26620646 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1304411311 is about 36116.6348238592. The cubic root of 1304411311 is about 1092.6259697269.

Adding to 1304411311 its reverse (1131144031), we get a palindrome (2435555342).

The spelling of 1304411311 in words is "one billion, three hundred four million, four hundred eleven thousand, three hundred eleven".

Divisors: 1 7 49 26620639 186344473 1304411311