Base | Representation |
---|---|
bin | 11100011010001… |
… | …10001001111101 |
3 | 121121102121111111 |
4 | 32031012021331 |
5 | 442002022414 |
6 | 35351522021 |
7 | 5622431215 |
oct | 1615061175 |
9 | 547377444 |
10 | 238314109 |
11 | 112581a10 |
12 | 67989311 |
13 | 3a4b0687 |
14 | 23917245 |
15 | 15dc68c4 |
hex | e34627d |
238314109 has 32 divisors (see below), whose sum is σ = 291879936. Its totient is φ = 191896320.
The previous prime is 238314101. The next prime is 238314113. The reversal of 238314109 is 901413832.
It is not a de Polignac number, because 238314109 - 23 = 238314101 is a prime.
It is a super-2 number, since 2×2383141092 = 113587229096927762, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238314101) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 287754 + ... + 288580.
It is an arithmetic number, because the mean of its divisors is an integer number (9121248).
Almost surely, 2238314109 is an apocalyptic number.
It is an amenable number.
238314109 is a deficient number, since it is larger than the sum of its proper divisors (53565827).
238314109 is a wasteful number, since it uses less digits than its factorization.
238314109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 945.
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 238314109 is about 15437.4255949624. The cubic root of 238314109 is about 619.9879541538.
The spelling of 238314109 in words is "two hundred thirty-eight million, three hundred fourteen thousand, one hundred nine".
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