[go: up one dir, main page]

Search a number
-
+
230130085 = 5109142187
BaseRepresentation
bin11011011011110…
…00000110100101
3121001000211010111
431231320012211
5432403130320
634500253021
75463034123
oct1555700645
9531024114
10230130085
111089a2159
12650a1171
13388a6563
14227c6913
151530ba5a
hexdb781a5

230130085 has 8 divisors (see below), whose sum is σ = 276415776. Its totient is φ = 183930960.

The previous prime is 230130077. The next prime is 230130101. The reversal of 230130085 is 580031032.

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

It is not a de Polignac number, because 230130085 - 23 = 230130077 is a prime.

It is a Duffinian number.

It is a congruent 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, 15639 + ... + 26548.

It is an arithmetic number, because the mean of its divisors is an integer number (34551972).

Almost surely, 2230130085 is an apocalyptic number.

It is an amenable number.

230130085 is a deficient number, since it is larger than the sum of its proper divisors (46285691).

230130085 is a wasteful number, since it uses less digits than its factorization.

230130085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43283.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 230130085 is about 15170.0390572998. The cubic root of 230130085 is about 612.8080560608.

The spelling of 230130085 in words is "two hundred thirty million, one hundred thirty thousand, eighty-five".

Divisors: 1 5 1091 5455 42187 210935 46026017 230130085