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230651086 = 2798811657
BaseRepresentation
bin11011011111101…
…11010011001110
3121002000021210211
431233313103032
5433021313321
634515353034
75500334101
oct1557672316
9532007724
10230651086
11109218636
12652b277a
1338a29743
14228c0738
15153b10e1
hexdbf74ce

230651086 has 16 divisors (see below), whose sum is σ = 350965440. Its totient is φ = 113667840.

The previous prime is 230651077. The next prime is 230651111. The reversal of 230651086 is 680156032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138370 + ... + 140026.

It is an arithmetic number, because the mean of its divisors is an integer number (21935340).

Almost surely, 2230651086 is an apocalyptic number.

230651086 is a deficient number, since it is larger than the sum of its proper divisors (120314354).

230651086 is a wasteful number, since it uses less digits than its factorization.

230651086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2619.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 230651086 is about 15187.2013880109. The cubic root of 230651086 is about 613.2701613287.

The spelling of 230651086 in words is "two hundred thirty million, six hundred fifty-one thousand, eighty-six".

Divisors: 1 2 79 158 881 1657 1762 3314 69599 130903 139198 261806 1459817 2919634 115325543 230651086