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230254511 = 1719170913
BaseRepresentation
bin11011011100101…
…10011110101111
3121001021010210212
431232112132233
5432421121021
634503053035
75464062644
oct1556263657
9531233725
10230254511
11108a77693
126514117b
133891b096
1422819dcb
151533385b
hexdb967af

230254511 has 8 divisors (see below), whose sum is σ = 245078784. Its totient is φ = 215572480.

The previous prime is 230254501. The next prime is 230254513. The reversal of 230254511 is 115452032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230254511 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 (230254513) 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 7 ways as a sum of consecutive naturals, for example, 32210 + ... + 38703.

It is an arithmetic number, because the mean of its divisors is an integer number (30634848).

Almost surely, 2230254511 is an apocalyptic number.

230254511 is a deficient number, since it is larger than the sum of its proper divisors (14824273).

230254511 is a wasteful number, since it uses less digits than its factorization.

230254511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71121.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 230254511 is about 15174.1395472692. The cubic root of 230254511 is about 612.9184798634.

The spelling of 230254511 in words is "two hundred thirty million, two hundred fifty-four thousand, five hundred eleven".

Divisors: 1 17 191 3247 70913 1205521 13544383 230254511