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230944691 = 534357447
BaseRepresentation
bin11011100001111…
…10111110110011
3121002120012120002
431300332332303
5433110212231
634525540215
75502666065
oct1560767663
9532505502
10230944691
111093a918a
126541466b
1338b00283
1422959735
151541d0cb
hexdc3efb3

230944691 has 4 divisors (see below), whose sum is σ = 235302192. Its totient is φ = 226587192.

The previous prime is 230944669. The next prime is 230944717. The reversal of 230944691 is 196449032.

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

It is a cyclic number.

It is not a de Polignac number, because 230944691 - 218 = 230682547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230944621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2178671 + ... + 2178776.

It is an arithmetic number, because the mean of its divisors is an integer number (58825548).

Almost surely, 2230944691 is an apocalyptic number.

230944691 is a deficient number, since it is larger than the sum of its proper divisors (4357501).

230944691 is an equidigital number, since it uses as much as digits as its factorization.

230944691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4357500.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 230944691 is about 15196.8645121288. The cubic root of 230944691 is about 613.5302697046.

The spelling of 230944691 in words is "two hundred thirty million, nine hundred forty-four thousand, six hundred ninety-one".

Divisors: 1 53 4357447 230944691