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230020315 = 5729226621
BaseRepresentation
bin11011011010111…
…01010011011011
3121000211020112221
431231131103123
5432341122230
634454044511
75462066110
oct1555352333
9530736487
10230020315
11108927738
1265049737
13388685c5
1422798907
15152d927a
hexdb5d4db

230020315 has 16 divisors (see below), whose sum is σ = 326335680. Its totient is φ = 152288640.

The previous prime is 230020283. The next prime is 230020331. The reversal of 230020315 is 513020032.

It is not a de Polignac number, because 230020315 - 25 = 230020283 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112296 + ... + 114325.

It is an arithmetic number, because the mean of its divisors is an integer number (20395980).

Almost surely, 2230020315 is an apocalyptic number.

230020315 is a deficient number, since it is larger than the sum of its proper divisors (96315365).

230020315 is a wasteful number, since it uses less digits than its factorization.

230020315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226662.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 230020315 is about 15166.4206390302. The cubic root of 230020315 is about 612.7106059041.

Adding to 230020315 its reverse (513020032), we get a palindrome (743040347).

The spelling of 230020315 in words is "two hundred thirty million, twenty thousand, three hundred fifteen".

Divisors: 1 5 7 29 35 145 203 1015 226621 1133105 1586347 6572009 7931735 32860045 46004063 230020315