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230151315 = 3515343421
BaseRepresentation
bin11011011011111…
…01010010010011
3121001001220020210
431231331102103
5432404320230
634500535203
75463153042
oct1555752223
9531056223
10230151315
11108a070a9
12650b1503
13388b3114
14227d0559
1515312eb0
hexdb7d493

230151315 has 8 divisors (see below), whose sum is σ = 368242128. Its totient is φ = 122747360.

The previous prime is 230151307. The next prime is 230151319. The reversal of 230151315 is 513151032.

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

It is not a de Polignac number, because 230151315 - 23 = 230151307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230151291 and 230151300.

It is not an unprimeable number, because it can be changed into a prime (230151319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7671696 + ... + 7671725.

It is an arithmetic number, because the mean of its divisors is an integer number (46030266).

Almost surely, 2230151315 is an apocalyptic number.

230151315 is a deficient number, since it is larger than the sum of its proper divisors (138090813).

230151315 is a wasteful number, since it uses less digits than its factorization.

230151315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15343429.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 230151315 is about 15170.7387756826. The cubic root of 230151315 is about 612.8268997726.

The spelling of 230151315 in words is "two hundred thirty million, one hundred fifty-one thousand, three hundred fifteen".

Divisors: 1 3 5 15 15343421 46030263 76717105 230151315