Search a number
-
+
230834997 = 3264140013
BaseRepresentation
bin11011100001001…
…00001100110101
3121002100122002100
431300210030311
5433043204442
634523332313
75502031221
oct1560441465
9532318070
10230834997
11109333828
1265381099
1338a92373
142292b781
15153ea84c
hexdc24335

230834997 has 12 divisors (see below), whose sum is σ = 333956844. Its totient is φ = 153646080.

The previous prime is 230834953. The next prime is 230835053. The reversal of 230834997 is 799438032.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 160123716 + 70711281 = 12654^2 + 8409^2 .

It is not a de Polignac number, because 230834997 - 28 = 230834741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230834917) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 14238 + ... + 25775.

It is an arithmetic number, because the mean of its divisors is an integer number (27829737).

Almost surely, 2230834997 is an apocalyptic number.

It is an amenable number.

230834997 is a deficient number, since it is larger than the sum of its proper divisors (103121847).

230834997 is a wasteful number, since it uses less digits than its factorization.

230834997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40660 (or 40657 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 230834997 is about 15193.2549837091. The cubic root of 230834997 is about 613.4331162153.

The spelling of 230834997 in words is "two hundred thirty million, eight hundred thirty-four thousand, nine hundred ninety-seven".

Divisors: 1 3 9 641 1923 5769 40013 120039 360117 25648333 76944999 230834997