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1304145103 = 23173327757
BaseRepresentation
bin100110110111011…
…1010110011001111
310100212222102202111
41031232322303033
510132330120403
6333224204451
744214023212
oct11556726317
93325872674
101304145103
1160a179578
12304909727
1317a2598c1
14c52bd779
157975d56d
hex4dbbaccf

1304145103 has 8 divisors (see below), whose sum is σ = 1368717408. Its totient is φ = 1240228704.

The previous prime is 1304145071. The next prime is 1304145113. The reversal of 1304145103 is 3015414031.

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 1304145103 - 25 = 1304145071 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 (1304145113) 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, 159900 + ... + 167857.

It is an arithmetic number, because the mean of its divisors is an integer number (171089676).

Almost surely, 21304145103 is an apocalyptic number.

1304145103 is a deficient number, since it is larger than the sum of its proper divisors (64572305).

1304145103 is a wasteful number, since it uses less digits than its factorization.

1304145103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327953.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1304145103 is about 36112.9492426193. The cubic root of 1304145103 is about 1092.5516359231.

Adding to 1304145103 its reverse (3015414031), we get a palindrome (4319559134).

The spelling of 1304145103 in words is "one billion, three hundred four million, one hundred forty-five thousand, one hundred three".

Divisors: 1 23 173 3979 327757 7538411 56701961 1304145103