Search a number
-
+
230345295 = 3573210361
BaseRepresentation
bin11011011101011…
…00101001001111
3121001102202100020
431232230221033
5432432022140
634505033223
75464621425
oct1556545117
9531382306
10230345295
11109029914
1265185813
13389504bb
1422841115
15153506d0
hexdbaca4f

230345295 has 16 divisors (see below), whose sum is σ = 373602912. Its totient is φ = 121167360.

The previous prime is 230345267. The next prime is 230345309. The reversal of 230345295 is 592543032.

It is not a de Polignac number, because 230345295 - 28 = 230345039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104086 + ... + 106275.

It is an arithmetic number, because the mean of its divisors is an integer number (23350182).

Almost surely, 2230345295 is an apocalyptic number.

230345295 is a deficient number, since it is larger than the sum of its proper divisors (143257617).

230345295 is a wasteful number, since it uses less digits than its factorization.

230345295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210442.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 230345295 is about 15177.1306576704. The cubic root of 230345295 is about 612.9990224475. Note that the first 3 decimals are identical.

The spelling of 230345295 in words is "two hundred thirty million, three hundred forty-five thousand, two hundred ninety-five".

Divisors: 1 3 5 15 73 219 365 1095 210361 631083 1051805 3155415 15356353 46069059 76781765 230345295