Search a number
-
+
230004253 = 19103117529
BaseRepresentation
bin11011011010110…
…01011000011101
3121000210102112001
431231121120131
5432340114003
634453442301
75462001223
oct1555313035
9530712461
10230004253
11108916666
1265040391
13388611bb
1422792b13
15152d461d
hexdb5961d

230004253 has 8 divisors (see below), whose sum is σ = 244462400. Its totient is φ = 215781408.

The previous prime is 230004251. The next prime is 230004263. The reversal of 230004253 is 352400032.

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 230004253 - 21 = 230004251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230004253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230004251) 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, 56808 + ... + 60721.

It is an arithmetic number, because the mean of its divisors is an integer number (30557800).

Almost surely, 2230004253 is an apocalyptic number.

It is an amenable number.

230004253 is a deficient number, since it is larger than the sum of its proper divisors (14458147).

230004253 is a wasteful number, since it uses less digits than its factorization.

230004253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117651.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 230004253 is about 15165.8911047126. The cubic root of 230004253 is about 612.6963439945.

Adding to 230004253 its reverse (352400032), we get a palindrome (582404285).

The spelling of 230004253 in words is "two hundred thirty million, four thousand, two hundred fifty-three".

Divisors: 1 19 103 1957 117529 2233051 12105487 230004253