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230007830 = 25131769291
BaseRepresentation
bin11011011010110…
…10010000010110
3121000210121102112
431231122100112
5432340222310
634453511022
75462014523
oct1555322026
9530717375
10230007830
11108919318
1265042472
1338862a10
142279414a
15152d5705
hexdb5a416

230007830 has 16 divisors (see below), whose sum is σ = 445861584. Its totient is φ = 84925920.

The previous prime is 230007809. The next prime is 230007907. The reversal of 230007830 is 38700032.

230007830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2300078302 = 105807203722617800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230007796 and 230007805.

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, 884516 + ... + 884775.

It is an arithmetic number, because the mean of its divisors is an integer number (27866349).

Almost surely, 2230007830 is an apocalyptic number.

230007830 is a deficient number, since it is larger than the sum of its proper divisors (215853754).

230007830 is a wasteful number, since it uses less digits than its factorization.

230007830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769311.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 230007830 is about 15166.0090333614. The cubic root of 230007830 is about 612.6995201726.

Adding to 230007830 its reverse (38700032), we get a palindrome (268707862).

The spelling of 230007830 in words is "two hundred thirty million, seven thousand, eight hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 1769291 3538582 8846455 17692910 23000783 46001566 115003915 230007830