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230231541 = 3233336689
BaseRepresentation
bin11011011100100…
…00110111110101
3121001012222022010
431232100313311
5432414402131
634502354433
75463635661
oct1556206765
9531188263
10230231541
11108a61401
126512ba19
13389107a7
14228118a1
151532bb46
hexdb90df5

230231541 has 8 divisors (see below), whose sum is σ = 320322240. Its totient is φ = 146814272.

The previous prime is 230231539. The next prime is 230231549. The reversal of 230231541 is 145132032.

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

It is a cyclic number.

It is not a de Polignac number, because 230231541 - 21 = 230231539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230231549) 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, 1668276 + ... + 1668413.

It is an arithmetic number, because the mean of its divisors is an integer number (40040280).

Almost surely, 2230231541 is an apocalyptic number.

It is an amenable number.

230231541 is a deficient number, since it is larger than the sum of its proper divisors (90090699).

230231541 is a wasteful number, since it uses less digits than its factorization.

230231541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336715.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 230231541 is about 15173.3826485725. The cubic root of 230231541 is about 612.8980977717.

Adding to 230231541 its reverse (145132032), we get a palindrome (375363573).

The spelling of 230231541 in words is "two hundred thirty million, two hundred thirty-one thousand, five hundred forty-one".

Divisors: 1 3 23 69 3336689 10010067 76743847 230231541