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230298511 = 7116719423
BaseRepresentation
bin11011011101000…
…01001110001111
3121001100101011111
431232201032033
5432424023021
634504032451
75464335142
oct1556411617
9531311144
10230298511
11108aa7753
1265162727
1338935111
142282c059
15153418e1
hexdba138f

230298511 has 8 divisors (see below), whose sum is σ = 234952704. Its totient is φ = 225683640.

The previous prime is 230298499. The next prime is 230298529. The reversal of 230298511 is 115892032.

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

It is a cyclic number.

It is not a de Polignac number, because 230298511 - 25 = 230298479 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 (230298571) 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, 2146 + ... + 21568.

It is an arithmetic number, because the mean of its divisors is an integer number (29369088).

Almost surely, 2230298511 is an apocalyptic number.

230298511 is a deficient number, since it is larger than the sum of its proper divisors (4654193).

230298511 is a wasteful number, since it uses less digits than its factorization.

230298511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19661.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 230298511 is about 15175.5893131041. The cubic root of 230298511 is about 612.9575188315.

The spelling of 230298511 in words is "two hundred thirty million, two hundred ninety-eight thousand, five hundred eleven".

Divisors: 1 71 167 11857 19423 1379033 3243641 230298511