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230412253 = 537161231
BaseRepresentation
bin11011011101111…
…00111111011101
3121001120011012011
431232330333131
5432441143003
634510311221
75465320561
oct1556747735
9531504164
10230412253
11109075155
12651b8511
1338974b16
142285b6a1
151536546d
hexdbbcfdd

230412253 has 8 divisors (see below), whose sum is σ = 238070016. Its totient is φ = 222877200.

The previous prime is 230412241. The next prime is 230412257. The reversal of 230412253 is 352214032.

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 230412253 - 213 = 230404061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230412257) 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, 26853 + ... + 34378.

It is an arithmetic number, because the mean of its divisors is an integer number (29758752).

Almost surely, 2230412253 is an apocalyptic number.

It is an amenable number.

230412253 is a deficient number, since it is larger than the sum of its proper divisors (7657763).

230412253 is an equidigital number, since it uses as much as digits as its factorization.

230412253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61355.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 230412253 is about 15179.3363820689. The cubic root of 230412253 is about 613.0584133026.

Adding to 230412253 its reverse (352214032), we get a palindrome (582626285).

The spelling of 230412253 in words is "two hundred thirty million, four hundred twelve thousand, two hundred fifty-three".

Divisors: 1 53 71 3763 61231 3245243 4347401 230412253