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230168753 = 971237043
BaseRepresentation
bin11011011100000…
…01100010110001
3121001002210011122
431232001202301
5432410400003
634501152025
75463254633
oct1556014261
9531083148
10230168753
11108a19211
12650bb615
13388bb039
14227d6a53
1515318238
hexdb818b1

230168753 has 4 divisors (see below), whose sum is σ = 230406768. Its totient is φ = 229930740.

The previous prime is 230168747. The next prime is 230168759. The reversal of 230168753 is 357861032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (230168747) and next prime (230168759).

It is a cyclic number.

It is not a de Polignac number, because 230168753 - 26 = 230168689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230168759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117551 + ... + 119492.

It is an arithmetic number, because the mean of its divisors is an integer number (57601692).

Almost surely, 2230168753 is an apocalyptic number.

It is an amenable number.

230168753 is a deficient number, since it is larger than the sum of its proper divisors (238015).

230168753 is an equidigital number, since it uses as much as digits as its factorization.

230168753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238014.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 230168753 is about 15171.3134896093. The cubic root of 230168753 is about 612.8423768449.

The spelling of 230168753 in words is "two hundred thirty million, one hundred sixty-eight thousand, seven hundred fifty-three".

Divisors: 1 971 237043 230168753