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230294287 = 593903293
BaseRepresentation
bin11011011101000…
…00001100001111
3121001100011101001
431232200030033
5432423404122
634504001131
75464316626
oct1556401417
9531304331
10230294287
11108aa4563
12651601a7
1338933212
142282a6bd
1515340527
hexdba030f

230294287 has 4 divisors (see below), whose sum is σ = 234197640. Its totient is φ = 226390936.

The previous prime is 230294263. The next prime is 230294297. The reversal of 230294287 is 782492032.

230294287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230294287 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 (230294237) 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, 1951588 + ... + 1951705.

It is an arithmetic number, because the mean of its divisors is an integer number (58549410).

Almost surely, 2230294287 is an apocalyptic number.

230294287 is a deficient number, since it is larger than the sum of its proper divisors (3903353).

230294287 is an equidigital number, since it uses as much as digits as its factorization.

230294287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903352.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 230294287 is about 15175.4501415938. The cubic root of 230294287 is about 612.9537713063.

The spelling of 230294287 in words is "two hundred thirty million, two hundred ninety-four thousand, two hundred eighty-seven".

Divisors: 1 59 3903293 230294287