Base | Representation |
---|---|
bin | 11100011000101… |
… | …01100101001111 |
3 | 121121001111120200 |
4 | 32030111211033 |
5 | 441424141101 |
6 | 35343344543 |
7 | 5620642161 |
oct | 1614254517 |
9 | 547044520 |
10 | 238115151 |
11 | 11245648a |
12 | 678b2153 |
13 | 3a440c51 |
14 | 238a4931 |
15 | 15d87986 |
hex | e31594f |
238115151 has 6 divisors (see below), whose sum is σ = 343944120. Its totient is φ = 158743428.
The previous prime is 238115089. The next prime is 238115153. The reversal of 238115151 is 151511832.
It is not a de Polignac number, because 238115151 - 210 = 238114127 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238115153) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13228611 + ... + 13228628.
It is an arithmetic number, because the mean of its divisors is an integer number (57324020).
Almost surely, 2238115151 is an apocalyptic number.
238115151 is a deficient number, since it is larger than the sum of its proper divisors (105828969).
238115151 is a wasteful number, since it uses less digits than its factorization.
238115151 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26457245 (or 26457242 counting only the distinct ones).
The product of its digits is 1200, while the sum is 27.
The square root of 238115151 is about 15430.9802345800. The cubic root of 238115151 is about 619.8153725320.
Adding to 238115151 its reverse (151511832), we get a palindrome (389626983).
The spelling of 238115151 in words is "two hundred thirty-eight million, one hundred fifteen thousand, one hundred fifty-one".
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