Search a number
-
+
230400197 = 415619517
BaseRepresentation
bin11011011101110…
…10000011000101
3121001112112122122
431232322003011
5432440301242
634510135325
75465240456
oct1556720305
9531475578
10230400197
11109067095
12651b1545
133896c4a1
142285712d
1515361ad2
hexdbba0c5

230400197 has 4 divisors (see below), whose sum is σ = 236019756. Its totient is φ = 224780640.

The previous prime is 230400193. The next prime is 230400253. The reversal of 230400197 is 791004032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60202081 + 170198116 = 7759^2 + 13046^2 .

It is a cyclic number.

It is not a de Polignac number, because 230400197 - 22 = 230400193 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 (230400193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2809718 + ... + 2809799.

It is an arithmetic number, because the mean of its divisors is an integer number (59004939).

Almost surely, 2230400197 is an apocalyptic number.

It is an amenable number.

230400197 is a deficient number, since it is larger than the sum of its proper divisors (5619559).

230400197 is an equidigital number, since it uses as much as digits as its factorization.

230400197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5619558.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 230400197 is about 15178.9392580641. The cubic root of 230400197 is about 613.0477206404.

The spelling of 230400197 in words is "two hundred thirty million, four hundred thousand, one hundred ninety-seven".

Divisors: 1 41 5619517 230400197