Base | Representation |
---|---|
bin | 11100011100000… |
… | …10101101010001 |
3 | 121121220012201102 |
4 | 32032002231101 |
5 | 442032442004 |
6 | 35401114145 |
7 | 5624513261 |
oct | 1616025521 |
9 | 547805642 |
10 | 238562129 |
11 | 112731293 |
12 | 67a88955 |
13 | 3a569530 |
14 | 2397d7a1 |
15 | 15e2511e |
hex | e382b51 |
238562129 has 8 divisors (see below), whose sum is σ = 257093760. Its totient is φ = 220056336.
The previous prime is 238562123. The next prime is 238562131. The reversal of 238562129 is 921265832.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-238562129 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 238562092 and 238562101.
It is not an unprimeable number, because it can be changed into a prime (238562123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15512 + ... + 26790.
It is an arithmetic number, because the mean of its divisors is an integer number (32136720).
Almost surely, 2238562129 is an apocalyptic number.
It is an amenable number.
238562129 is a deficient number, since it is larger than the sum of its proper divisors (18531631).
238562129 is a wasteful number, since it uses less digits than its factorization.
238562129 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12919.
The product of its digits is 51840, while the sum is 38.
The square root of 238562129 is about 15445.4565811439. The cubic root of 238562129 is about 620.2029590477.
The spelling of 238562129 in words is "two hundred thirty-eight million, five hundred sixty-two thousand, one hundred twenty-nine".
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