Base | Representation |
---|---|
bin | 11100011011011… |
… | …11111000111011 |
3 | 121121202021222200 |
4 | 32031233320323 |
5 | 442023010201 |
6 | 35355321243 |
7 | 5624042460 |
oct | 1615577073 |
9 | 547667880 |
10 | 238485051 |
11 | 112689392 |
12 | 67a50223 |
13 | 3a54041c |
14 | 2395d667 |
15 | 15e0c386 |
hex | e36fe3b |
238485051 has 24 divisors (see below), whose sum is σ = 400149984. Its totient is φ = 134040960.
The previous prime is 238485043. The next prime is 238485109. The reversal of 238485051 is 150584832.
It is a happy number.
It is not a de Polignac number, because 238485051 - 23 = 238485043 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 238484997 and 238485015.
It is not an unprimeable number, because it can be changed into a prime (238485251) 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 23 ways as a sum of consecutive naturals, for example, 27186 + ... + 34871.
It is an arithmetic number, because the mean of its divisors is an integer number (16672916).
Almost surely, 2238485051 is an apocalyptic number.
238485051 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
238485051 is a deficient number, since it is larger than the sum of its proper divisors (161664933).
238485051 is a wasteful number, since it uses less digits than its factorization.
238485051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62131 (or 62128 counting only the distinct ones).
The product of its (nonzero) digits is 38400, while the sum is 36.
The square root of 238485051 is about 15442.9612121510. The cubic root of 238485051 is about 620.1361572280.
The spelling of 238485051 in words is "two hundred thirty-eight million, four hundred eighty-five thousand, fifty-one".
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