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230233130 = 25193111923
BaseRepresentation
bin11011011100100…
…01010000101010
3121001020001110222
431232101100222
5432414430010
634502410042
75463643421
oct1556212052
9531201428
10230233130
11108a62616
1265130922
133891142a
14228122b8
151532c355
hexdb9142a

230233130 has 16 divisors (see below), whose sum is σ = 414669024. Its totient is φ = 92037840.

The previous prime is 230233123. The next prime is 230233139. The reversal of 230233130 is 31332032.

It is a junction number, because it is equal to n+sod(n) for n = 230233099 and 230233108.

It is not an unprimeable number, because it can be changed into a prime (230233139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13349 + ... + 25271.

It is an arithmetic number, because the mean of its divisors is an integer number (25916814).

Almost surely, 2230233130 is an apocalyptic number.

230233130 is a deficient number, since it is larger than the sum of its proper divisors (184435894).

230233130 is a wasteful number, since it uses less digits than its factorization.

230233130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13861.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 230233130 is about 15173.4350099112. The cubic root of 230233130 is about 612.8995077912.

Adding to 230233130 its reverse (31332032), we get a palindrome (261565162).

The spelling of 230233130 in words is "two hundred thirty million, two hundred thirty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 1931 3862 9655 11923 19310 23846 59615 119230 23023313 46046626 115116565 230233130