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230144115 = 3515342941
BaseRepresentation
bin11011011011110…
…11100001110011
3121001001112101010
431231323201303
5432404102430
634500442003
75463123045
oct1555734163
9531045333
10230144115
11108a01753
12650a9303
13388aca66
14227cba95
1515310cb0
hexdb7b873

230144115 has 8 divisors (see below), whose sum is σ = 368230608. Its totient is φ = 122743520.

The previous prime is 230144081. The next prime is 230144137. The reversal of 230144115 is 511441032.

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

It is not a de Polignac number, because 230144115 - 210 = 230143091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230144091 and 230144100.

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, 7671456 + ... + 7671485.

It is an arithmetic number, because the mean of its divisors is an integer number (46028826).

Almost surely, 2230144115 is an apocalyptic number.

230144115 is a deficient number, since it is larger than the sum of its proper divisors (138086493).

230144115 is a wasteful number, since it uses less digits than its factorization.

230144115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15342949.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 230144115 is about 15170.5014749019. The cubic root of 230144115 is about 612.8205091948.

Adding to 230144115 its reverse (511441032), we get a palindrome (741585147).

The spelling of 230144115 in words is "two hundred thirty million, one hundred forty-four thousand, one hundred fifteen".

Divisors: 1 3 5 15 15342941 46028823 76714705 230144115