Base | Representation |
---|---|
bin | 11100011011101… |
… | …11011101101101 |
3 | 121121210212112210 |
4 | 32031313131231 |
5 | 442030003302 |
6 | 35400121033 |
7 | 5624232102 |
oct | 1615673555 |
9 | 547725483 |
10 | 238516077 |
11 | 1126aa728 |
12 | 67a66179 |
13 | 3a551597 |
14 | 2396aaa9 |
15 | 15e1666c |
hex | e37776d |
238516077 has 16 divisors (see below), whose sum is σ = 330659840. Its totient is φ = 152766000.
The previous prime is 238516067. The next prime is 238516081. The reversal of 238516077 is 770615832.
It is not a de Polignac number, because 238516077 - 215 = 238483309 is a prime.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238516037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3702 + ... + 22152.
It is an arithmetic number, because the mean of its divisors is an integer number (20666240).
Almost surely, 2238516077 is an apocalyptic number.
It is an amenable number.
238516077 is a deficient number, since it is larger than the sum of its proper divisors (92143763).
238516077 is a wasteful number, since it uses less digits than its factorization.
238516077 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18624.
The product of its (nonzero) digits is 70560, while the sum is 39.
The square root of 238516077 is about 15443.9657148027. The cubic root of 238516077 is about 620.1630485154.
The spelling of 238516077 in words is "two hundred thirty-eight million, five hundred sixteen thousand, seventy-seven".
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