Base | Representation |
---|---|
bin | 11011011010111… |
… | …11101011100001 |
3 | 121000211201220110 |
4 | 31231133223201 |
5 | 432341430144 |
6 | 34454201533 |
7 | 5462136354 |
oct | 1555375341 |
9 | 530751813 |
10 | 230030049 |
11 | 108933a87 |
12 | 650532a9 |
13 | 3886cb72 |
14 | 2279c29b |
15 | 152dc0b9 |
hex | db5fae1 |
230030049 has 8 divisors (see below), whose sum is σ = 314187552. Its totient is φ = 149612960.
The previous prime is 230030039. The next prime is 230030051. The reversal of 230030049 is 940030032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-230030049 is a prime.
It is not an unprimeable number, because it can be changed into a prime (230030039) 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, 934959 + ... + 935204.
It is an arithmetic number, because the mean of its divisors is an integer number (39273444).
Almost surely, 2230030049 is an apocalyptic number.
It is an amenable number.
230030049 is a deficient number, since it is larger than the sum of its proper divisors (84157503).
230030049 is a wasteful number, since it uses less digits than its factorization.
230030049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1870207.
The product of its (nonzero) digits is 648, while the sum is 21.
The square root of 230030049 is about 15166.7415419397. The cubic root of 230030049 is about 612.7192486783.
The spelling of 230030049 in words is "two hundred thirty million, thirty thousand, forty-nine".
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