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230065461 = 338520943
BaseRepresentation
bin11011011011010…
…00010100110101
3121000220112111000
431231220110311
5432344043321
634455033513
75462344533
oct1555502465
9530815430
10230065461
1110895864a
126506b899
1338883012
14227ab153
15152e7826
hexdb68535

230065461 has 8 divisors (see below), whose sum is σ = 340837760. Its totient is φ = 153376956.

The previous prime is 230065441. The next prime is 230065483. The reversal of 230065461 is 164560032.

230065461 is a `hidden beast` number, since 2 + 3 + 0 + 0 + 654 + 6 + 1 = 666.

It is not a de Polignac number, because 230065461 - 211 = 230063413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8520943 = 230065461 / (2 + 3 + 0 + 0 + 6 + 5 + 4 + 6 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230065441) 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, 4260445 + ... + 4260498.

It is an arithmetic number, because the mean of its divisors is an integer number (42604720).

Almost surely, 2230065461 is an apocalyptic number.

It is an amenable number.

230065461 is a deficient number, since it is larger than the sum of its proper divisors (110772299).

230065461 is an equidigital number, since it uses as much as digits as its factorization.

230065461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8520952 (or 8520946 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 230065461 is about 15167.9089198215. The cubic root of 230065461 is about 612.7506887746.

The spelling of 230065461 in words is "two hundred thirty million, sixty-five thousand, four hundred sixty-one".

Divisors: 1 3 9 27 8520943 25562829 76688487 230065461