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13230315 = 325797433
BaseRepresentation
bin110010011110…
…000011101011
3220220011120200
4302132003223
511341332230
61151323243
7220312230
oct62360353
926804520
1013230315
11751714a
124520523
132982cb7
141a85787
151265160
hexc9e0eb

13230315 has 48 divisors (see below), whose sum is σ = 26539968. Its totient is φ = 5971968.

The previous prime is 13230307. The next prime is 13230341. The reversal of 13230315 is 51303231.

It is not a de Polignac number, because 13230315 - 23 = 13230307 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30339 + ... + 30771.

It is an arithmetic number, because the mean of its divisors is an integer number (552916).

Almost surely, 213230315 is an apocalyptic number.

13230315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13230315 is an abundant number, since it is smaller than the sum of its proper divisors (13309653).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13230315 is a wasteful number, since it uses less digits than its factorization.

13230315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 13230315 is about 3637.3499969071. The cubic root of 13230315 is about 236.5139319581.

Adding to 13230315 its reverse (51303231), we get a palindrome (64533546).

The spelling of 13230315 in words is "thirteen million, two hundred thirty thousand, three hundred fifteen".

Divisors: 1 3 5 7 9 15 21 35 45 63 97 105 291 315 433 485 679 873 1299 1455 2037 2165 3031 3395 3897 4365 6111 6495 9093 10185 15155 19485 27279 30555 42001 45465 126003 136395 210005 294007 378009 630015 882021 1470035 1890045 2646063 4410105 13230315