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230515011 = 3319449347
BaseRepresentation
bin11011011110101…
…10000101000011
3121001202101011000
431233112011003
5433002440021
634512423043
75466226266
oct1557260503
9531671130
10230515011
11109135381
1265247a83
13389ac81c
1422886cdd
1515385b26
hexdbd6143

230515011 has 16 divisors (see below), whose sum is σ = 359478400. Its totient is φ = 145588104.

The previous prime is 230515009. The next prime is 230515013. The reversal of 230515011 is 110515032.

It is an interprime number because it is at equal distance from previous prime (230515009) and next prime (230515013).

It is not a de Polignac number, because 230515011 - 21 = 230515009 is a prime.

It is a super-3 number, since 3×2305150113 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230515013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224161 + ... + 225186.

It is an arithmetic number, because the mean of its divisors is an integer number (22467400).

Almost surely, 2230515011 is an apocalyptic number.

230515011 is a deficient number, since it is larger than the sum of its proper divisors (128963389).

230515011 is a wasteful number, since it uses less digits than its factorization.

230515011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449375 (or 449369 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 230515011 is about 15182.7208035978. The cubic root of 230515011 is about 613.1495359071.

The spelling of 230515011 in words is "two hundred thirty million, five hundred fifteen thousand, eleven".

Divisors: 1 3 9 19 27 57 171 513 449347 1348041 4044123 8537593 12132369 25612779 76838337 230515011