Base | Representation |
---|---|
bin | 11100011100100… |
… | …01010101001001 |
3 | 121122000020212210 |
4 | 32032101111021 |
5 | 442041401100 |
6 | 35402255333 |
7 | 5625153015 |
oct | 1616212511 |
9 | 548006783 |
10 | 238622025 |
11 | 112772294 |
12 | 67ab7549 |
13 | 3a58a885 |
14 | 23997545 |
15 | 15e37c50 |
hex | e391549 |
238622025 has 12 divisors (see below), whose sum is σ = 394521872. Its totient is φ = 127265040.
The previous prime is 238622023. The next prime is 238622029. The reversal of 238622025 is 520226832.
It is not a de Polignac number, because 238622025 - 21 = 238622023 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 238621983 and 238622001.
It is not an unprimeable number, because it can be changed into a prime (238622023) 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 11 ways as a sum of consecutive naturals, for example, 1590739 + ... + 1590888.
Almost surely, 2238622025 is an apocalyptic number.
238622025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
238622025 is a deficient number, since it is larger than the sum of its proper divisors (155899847).
238622025 is a wasteful number, since it uses less digits than its factorization.
238622025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3181640 (or 3181635 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 30.
The square root of 238622025 is about 15447.3954115249. The cubic root of 238622025 is about 620.2548596688.
Adding to 238622025 its reverse (520226832), we get a palindrome (758848857).
The spelling of 238622025 in words is "two hundred thirty-eight million, six hundred twenty-two thousand, twenty-five".
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