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230110143 = 378797463
BaseRepresentation
bin11011011011100…
…11001110111111
3121000222210202220
431231303032333
5432402011033
634500020423
75462622024
oct1555631677
9530883686
10230110143
1110898917a
1265091713
133889a463
14227bd54b
1515305bb3
hexdb733bf

230110143 has 8 divisors (see below), whose sum is σ = 307206528. Its totient is φ = 153210264.

The previous prime is 230110109. The next prime is 230110171. The reversal of 230110143 is 341011032.

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

It is not a de Polignac number, because 230110143 - 29 = 230109631 is a prime.

It is a super-2 number, since 2×2301101432 = 105901355822960898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230110103) 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, 46371 + ... + 51092.

It is an arithmetic number, because the mean of its divisors is an integer number (38400816).

Almost surely, 2230110143 is an apocalyptic number.

230110143 is a deficient number, since it is larger than the sum of its proper divisors (77096385).

230110143 is an equidigital number, since it uses as much as digits as its factorization.

230110143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98253.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 230110143 is about 15169.3817606388. The cubic root of 230110143 is about 612.7903545200.

Adding to 230110143 its reverse (341011032), we get a palindrome (571121175).

The spelling of 230110143 in words is "two hundred thirty million, one hundred ten thousand, one hundred forty-three".

Divisors: 1 3 787 2361 97463 292389 76703381 230110143