Base | Representation |
---|---|
bin | 11011111110110… |
… | …11011110100001 |
3 | 121100200120222111 |
4 | 31333123132201 |
5 | 440042401200 |
6 | 35143035321 |
7 | 5550120115 |
oct | 1577333641 |
9 | 540616874 |
10 | 234731425 |
11 | 110555215 |
12 | 6673bb41 |
13 | 39827a46 |
14 | 23263745 |
15 | 1591a0ba |
hex | dfdb7a1 |
234731425 has 12 divisors (see below), whose sum is σ = 292581100. Its totient is φ = 186808320.
The previous prime is 234731401. The next prime is 234731429. The reversal of 234731425 is 524137432.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 23203489 + 211527936 = 4817^2 + 14544^2 .
It is not a de Polignac number, because 234731425 - 27 = 234731297 is a prime.
It is not an unprimeable number, because it can be changed into a prime (234731429) 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 11 ways as a sum of consecutive naturals, for example, 19500 + ... + 29149.
Almost surely, 2234731425 is an apocalyptic number.
234731425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
234731425 is a deficient number, since it is larger than the sum of its proper divisors (57849675).
234731425 is a wasteful number, since it uses less digits than its factorization.
234731425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48852 (or 48847 counting only the distinct ones).
The product of its digits is 20160, while the sum is 31.
The square root of 234731425 is about 15320.9472618373. The cubic root of 234731425 is about 616.8654006007.
Adding to 234731425 its reverse (524137432), we get a palindrome (758868857).
The spelling of 234731425 in words is "two hundred thirty-four million, seven hundred thirty-one thousand, four hundred twenty-five".
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