Base | Representation |
---|---|
bin | 11011011111110… |
… | …11111101001011 |
3 | 121002001020222002 |
4 | 31233323331023 |
5 | 433022421110 |
6 | 34520021215 |
7 | 5500443512 |
oct | 1557737513 |
9 | 532036862 |
10 | 230670155 |
11 | 1092309a1 |
12 | 6530180b |
13 | 38a35321 |
14 | 228c7679 |
15 | 153b6aa5 |
hex | dbfbf4b |
230670155 has 8 divisors (see below), whose sum is σ = 276892992. Its totient is φ = 184476928.
The previous prime is 230670137. The next prime is 230670179. The reversal of 230670155 is 551076032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 230670155 - 26 = 230670091 is a prime.
It is a Duffinian 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, 17147 + ... + 27483.
It is an arithmetic number, because the mean of its divisors is an integer number (34611624).
Almost surely, 2230670155 is an apocalyptic number.
230670155 is a deficient number, since it is larger than the sum of its proper divisors (46222837).
230670155 is a wasteful number, since it uses less digits than its factorization.
230670155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14805.
The product of its (nonzero) digits is 6300, while the sum is 29.
The square root of 230670155 is about 15187.8291733875. The cubic root of 230670155 is about 613.2870614969.
The spelling of 230670155 in words is "two hundred thirty million, six hundred seventy thousand, one hundred fifty-five".
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