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230344145 = 5112341023
BaseRepresentation
bin11011011101011…
…00010111010001
3121001102200202122
431232230113101
5432432003040
634505024025
75464615163
oct1556542721
9531380678
10230344145
11109028a69
1265185015
133894cb15
1422840933
15153501b5
hexdbac5d1

230344145 has 8 divisors (see below), whose sum is σ = 276665856. Its totient is φ = 184106736.

The previous prime is 230344139. The next prime is 230344151. The reversal of 230344145 is 541443032.

It is an interprime number because it is at equal distance from previous prime (230344139) and next prime (230344151).

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 230344145 - 210 = 230343121 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14897 + ... + 26126.

It is an arithmetic number, because the mean of its divisors is an integer number (34583232).

Almost surely, 2230344145 is an apocalyptic number.

It is an amenable number.

230344145 is a deficient number, since it is larger than the sum of its proper divisors (46321711).

230344145 is a wasteful number, since it uses less digits than its factorization.

230344145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42151.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 230344145 is about 15177.0927716740. The cubic root of 230344145 is about 612.9980023123.

Adding to 230344145 its reverse (541443032), we get a palindrome (771787177).

The spelling of 230344145 in words is "two hundred thirty million, three hundred forty-four thousand, one hundred forty-five".

Divisors: 1 5 1123 5615 41023 205115 46068829 230344145