Base | Representation |
---|---|
bin | 11100011000100… |
… | …11010100101101 |
3 | 121121001000220002 |
4 | 32030103110231 |
5 | 441423342101 |
6 | 35343234045 |
7 | 5620603205 |
oct | 1614232455 |
9 | 547030802 |
10 | 238105901 |
11 | 11244a540 |
12 | 678a8925 |
13 | 3a439987 |
14 | 238a1405 |
15 | 15d84d6b |
hex | e31352d |
238105901 has 24 divisors (see below), whose sum is σ = 273006720. Its totient is φ = 205822400.
The previous prime is 238105897. The next prime is 238105909. The reversal of 238105901 is 109501832.
238105901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 238105901 - 22 = 238105897 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238105909) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 996140 + ... + 996378.
It is an arithmetic number, because the mean of its divisors is an integer number (11375280).
Almost surely, 2238105901 is an apocalyptic number.
It is an amenable number.
238105901 is a deficient number, since it is larger than the sum of its proper divisors (34900819).
238105901 is a wasteful number, since it uses less digits than its factorization.
238105901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 385 (or 338 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 29.
The square root of 238105901 is about 15430.6805099451. The cubic root of 238105901 is about 619.8073464902.
The spelling of 238105901 in words is "two hundred thirty-eight million, one hundred five thousand, nine hundred one".
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