Base | Representation |
---|---|
bin | 11100011101011… |
… | …00001100010001 |
3 | 121122012211210202 |
4 | 32032230030101 |
5 | 442103411144 |
6 | 35404504545 |
7 | 5626121543 |
oct | 1616541421 |
9 | 548184722 |
10 | 238732049 |
11 | 112837a16 |
12 | 67b4b155 |
13 | 3a5c898a |
14 | 239c5693 |
15 | 15e5a64e |
hex | e3ac311 |
238732049 has 8 divisors (see below), whose sum is σ = 241315200. Its totient is φ = 236157376.
The previous prime is 238732027. The next prime is 238732051. The reversal of 238732049 is 940237832.
It is a happy number.
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-238732049 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (238731049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65924 + ... + 69450.
It is an arithmetic number, because the mean of its divisors is an integer number (30164400).
Almost surely, 2238732049 is an apocalyptic number.
It is an amenable number.
238732049 is a deficient number, since it is larger than the sum of its proper divisors (2583151).
238732049 is a wasteful number, since it uses less digits than its factorization.
238732049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4239.
The product of its (nonzero) digits is 72576, while the sum is 38.
The square root of 238732049 is about 15450.9562487245. The cubic root of 238732049 is about 620.3501741937.
The spelling of 238732049 in words is "two hundred thirty-eight million, seven hundred thirty-two thousand, forty-nine".
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