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230213095 = 5723285979
BaseRepresentation
bin11011011100011…
…00010111100111
3121001012000222221
431232030113213
5432413304340
634502133211
75463531130
oct1556142747
9531160887
10230213095
11108a49562
1265121207
1338905288
1422808c87
151532644a
hexdb8c5e7

230213095 has 16 divisors (see below), whose sum is σ = 329448960. Its totient is φ = 150996384.

The previous prime is 230213089. The next prime is 230213117. The reversal of 230213095 is 590312032.

It is a happy number.

It is not a de Polignac number, because 230213095 - 27 = 230212967 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, 142185 + ... + 143794.

It is an arithmetic number, because the mean of its divisors is an integer number (20590560).

Almost surely, 2230213095 is an apocalyptic number.

230213095 is a deficient number, since it is larger than the sum of its proper divisors (99235865).

230213095 is a wasteful number, since it uses less digits than its factorization.

230213095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286014.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 230213095 is about 15172.7747956661. The cubic root of 230213095 is about 612.8817290034.

The spelling of 230213095 in words is "two hundred thirty million, two hundred thirteen thousand, ninety-five".

Divisors: 1 5 7 23 35 115 161 805 285979 1429895 2001853 6577517 10009265 32887585 46042619 230213095