Base | Representation |
---|---|
bin | 11100011100111… |
… | …00110110010001 |
3 | 121122002122121001 |
4 | 32032130312101 |
5 | 442044403301 |
6 | 35403302001 |
7 | 5625440401 |
oct | 1616346621 |
9 | 548078531 |
10 | 238669201 |
11 | 1127a4781 |
12 | 67b1a901 |
13 | 3a5a61a4 |
14 | 239aa801 |
15 | 15e46c01 |
hex | e39cd91 |
238669201 has 2 divisors, whose sum is σ = 238669202. Its totient is φ = 238669200.
The previous prime is 238669199. The next prime is 238669213. The reversal of 238669201 is 102966832.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 233356176 + 5313025 = 15276^2 + 2305^2 .
It is a cyclic number.
It is not a de Polignac number, because 238669201 - 21 = 238669199 is a prime.
Together with 238669199, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (238669601) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119334600 + 119334601.
It is an arithmetic number, because the mean of its divisors is an integer number (119334601).
Almost surely, 2238669201 is an apocalyptic number.
It is an amenable number.
238669201 is a deficient number, since it is larger than the sum of its proper divisors (1).
238669201 is an equidigital number, since it uses as much as digits as its factorization.
238669201 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 31104, while the sum is 37.
The square root of 238669201 is about 15448.9223248743. The cubic root of 238669201 is about 620.2957321394.
The spelling of 238669201 in words is "two hundred thirty-eight million, six hundred sixty-nine thousand, two hundred one".
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