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1304106349 = 71314330839
BaseRepresentation
bin100110110111011…
…0001010101101101
310100212220110121011
41031232301111231
510132322400344
6333223305221
744213502220
oct11556612555
93325813534
101304106349
1160a152447
123048ab211
1317a245080
14c52ad5b7
1579751d34
hex4dbb156d

1304106349 has 8 divisors (see below), whose sum is σ = 1605054080. Its totient is φ = 1031820336.

The previous prime is 1304106347. The next prime is 1304106361. The reversal of 1304106349 is 9436014031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1304106349 - 21 = 1304106347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1304106349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304106347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7165329 + ... + 7165510.

It is an arithmetic number, because the mean of its divisors is an integer number (200631760).

Almost surely, 21304106349 is an apocalyptic number.

It is an amenable number.

1304106349 is a deficient number, since it is larger than the sum of its proper divisors (300947731).

1304106349 is a wasteful number, since it uses less digits than its factorization.

1304106349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14330859.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 1304106349 is about 36112.4126720993. The cubic root of 1304106349 is about 1092.5408137210.

The spelling of 1304106349 in words is "one billion, three hundred four million, one hundred six thousand, three hundred forty-nine".

Divisors: 1 7 13 91 14330839 100315873 186300907 1304106349