Base | Representation |
---|---|
bin | 11011011011111… |
… | …01100000110101 |
3 | 121001001221112020 |
4 | 31231331200311 |
5 | 432404332440 |
6 | 34500543353 |
7 | 5463155541 |
oct | 1555754065 |
9 | 531057466 |
10 | 230152245 |
11 | 108a07874 |
12 | 650b1b59 |
13 | 388b367b |
14 | 227d0a21 |
15 | 153133d0 |
hex | db7d835 |
230152245 has 16 divisors (see below), whose sum is σ = 368459520. Its totient is φ = 122675904.
The previous prime is 230152217. The next prime is 230152249. The reversal of 230152245 is 542251032.
It is not a de Polignac number, because 230152245 - 28 = 230151989 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230152249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30951 + ... + 37659.
It is an arithmetic number, because the mean of its divisors is an integer number (23028720).
Almost surely, 2230152245 is an apocalyptic number.
It is an amenable number.
230152245 is a deficient number, since it is larger than the sum of its proper divisors (138307275).
230152245 is a wasteful number, since it uses less digits than its factorization.
230152245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9004.
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 230152245 is about 15170.7694267628. The cubic root of 230152245 is about 612.8277252125.
The spelling of 230152245 in words is "two hundred thirty million, one hundred fifty-two thousand, two hundred forty-five".
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