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230768618 = 2115384309
BaseRepresentation
bin11011100000100…
…11111111101010
3121002020021000212
431300103333222
5433034043433
634522101122
75501333543
oct1560237752
9532207025
10230768618
11109298973
126534a7a2
1338a6b0a2
14229114ca
15153d5d48
hexdc13fea

230768618 has 4 divisors (see below), whose sum is σ = 346152930. Its totient is φ = 115384308.

The previous prime is 230768609. The next prime is 230768627. The reversal of 230768618 is 816867032.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (230768609) and next prime (230768627).

It can be written as a sum of positive squares in only one way, i.e., 229007689 + 1760929 = 15133^2 + 1327^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57692153 + ... + 57692156.

Almost surely, 2230768618 is an apocalyptic number.

230768618 is a deficient number, since it is larger than the sum of its proper divisors (115384312).

230768618 is a wasteful number, since it uses less digits than its factorization.

230768618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115384311.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 230768618 is about 15191.0703375371. The cubic root of 230768618 is about 613.3743108911.

The spelling of 230768618 in words is "two hundred thirty million, seven hundred sixty-eight thousand, six hundred eighteen".

Divisors: 1 2 115384309 230768618