Search a number
-
+
230244053 = 1323770047
BaseRepresentation
bin11011011100100…
…11111011010101
3121001020121110112
431232103323111
5432420302203
634502532405
75464020314
oct1556237325
9531217415
10230244053
11108a6a846
1265137105
13389163b0
142281627b
15153306d8
hexdb93ed5

230244053 has 8 divisors (see below), whose sum is σ = 258736128. Its totient is φ = 203292144.

The previous prime is 230244029. The next prime is 230244061. The reversal of 230244053 is 350442032.

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 230244053 - 210 = 230243029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230244083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384725 + ... + 385322.

It is an arithmetic number, because the mean of its divisors is an integer number (32342016).

Almost surely, 2230244053 is an apocalyptic number.

230244053 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

230244053 is a deficient number, since it is larger than the sum of its proper divisors (28492075).

230244053 is a wasteful number, since it uses less digits than its factorization.

230244053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770083.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 230244053 is about 15173.7949439156. The cubic root of 230244053 is about 612.9092002790.

Adding to 230244053 its reverse (350442032), we get a palindrome (580686085).

The spelling of 230244053 in words is "two hundred thirty million, two hundred forty-four thousand, fifty-three".

Divisors: 1 13 23 299 770047 10010611 17711081 230244053