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230555230 = 2523399857
BaseRepresentation
bin11011011110111…
…11111001011110
3121001211102022121
431233133321132
5433010231410
634513333154
75466454453
oct1557377136
9531742277
10230555230
11109162614
12652671ba
13389c4c19
142289782a
15153929da
hexdbdfe5e

230555230 has 16 divisors (see below), whose sum is σ = 415218960. Its totient is φ = 92173312.

The previous prime is 230555209. The next prime is 230555239. The reversal of 230555230 is 32555032.

It is a junction number, because it is equal to n+sod(n) for n = 230555195 and 230555204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230555239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18462 + ... + 28318.

It is an arithmetic number, because the mean of its divisors is an integer number (25951185).

Almost surely, 2230555230 is an apocalyptic number.

230555230 is a deficient number, since it is larger than the sum of its proper divisors (184663730).

230555230 is a wasteful number, since it uses less digits than its factorization.

230555230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12203.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 230555230 is about 15184.0452449273. The cubic root of 230555230 is about 613.1851934940.

The spelling of 230555230 in words is "two hundred thirty million, five hundred fifty-five thousand, two hundred thirty".

Divisors: 1 2 5 10 2339 4678 9857 11695 19714 23390 49285 98570 23055523 46111046 115277615 230555230