Search a number
230249463 = 31973171229
BaseRepresentation
bin11011011100101…
…01001111110111
3121001020212212220
431232111033313
5432420440323
634503013423
75464042143
oct1556251767
9531225786
10230249463
11108a73914
126513a273
13389189b2
1422818223
15153320e3
hexdb953f7

230249463 has 16 divisors (see below), whose sum is σ = 309782880. Its totient is φ = 152114816.

The previous prime is 230249443. The next prime is 230249501. The reversal of 230249463 is 364942032.

It is a cyclic number.

It is not a de Polignac number, because 230249463 - 214 = 230233079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230249423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186733 + ... + 187961.

It is an arithmetic number, because the mean of its divisors is an integer number (19361430).

Almost surely, 2230249463 is an apocalyptic number.

230249463 is a deficient number, since it is larger than the sum of its proper divisors (79533417).

230249463 is a wasteful number, since it uses less digits than its factorization.

230249463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 230249463 is about 15173.9732107316. The cubic root of 230249463 is about 612.9140007111.

The spelling of 230249463 in words is "two hundred thirty million, two hundred forty-nine thousand, four hundred sixty-three".