Base | Representation |
---|---|
bin | 11100011011000… |
… | …10100011110001 |
3 | 121121122112002101 |
4 | 32031202203301 |
5 | 442014233244 |
6 | 35354220401 |
7 | 5623424335 |
oct | 1615424361 |
9 | 547575071 |
10 | 238430449 |
11 | 112651364 |
12 | 67a24701 |
13 | 3a52160a |
14 | 239477c5 |
15 | 15deb0d4 |
hex | e3628f1 |
238430449 has 8 divisors (see below), whose sum is σ = 252080000. Its totient is φ = 224890992.
The previous prime is 238430447. The next prime is 238430459. The reversal of 238430449 is 944034832.
238430449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 238430449 - 21 = 238430447 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (238430441) 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, 23049 + ... + 31750.
It is an arithmetic number, because the mean of its divisors is an integer number (31510000).
Almost surely, 2238430449 is an apocalyptic number.
It is an amenable number.
238430449 is a deficient number, since it is larger than the sum of its proper divisors (13649551).
238430449 is a wasteful number, since it uses less digits than its factorization.
238430449 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55047.
The product of its (nonzero) digits is 82944, while the sum is 37.
The square root of 238430449 is about 15441.1932505231. The cubic root of 238430449 is about 620.0888261566.
The spelling of 238430449 in words is "two hundred thirty-eight million, four hundred thirty thousand, four hundred forty-nine".
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