Base | Representation |
---|---|
bin | 111101011110111… |
… | …101001010110010 |
3 | 2122212222220100012 |
4 | 331132331022302 |
5 | 4103032300132 |
6 | 250205054522 |
7 | 34363550432 |
oct | 7536751262 |
9 | 2585886305 |
10 | 1031525042 |
11 | 48a2a6039 |
12 | 249557442 |
13 | 135927362 |
14 | 9add62c2 |
15 | 6085c0b2 |
hex | 3d7bd2b2 |
1031525042 has 8 divisors (see below), whose sum is σ = 1547424000. Its totient is φ = 515717044.
The previous prime is 1031525039. The next prime is 1031525051. The reversal of 1031525042 is 2405251301.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 1031524999 and 1031525017.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 31259 + ... + 55137.
It is an arithmetic number, because the mean of its divisors is an integer number (193428000).
Almost surely, 21031525042 is an apocalyptic number.
1031525042 is a deficient number, since it is larger than the sum of its proper divisors (515898958).
1031525042 is a wasteful number, since it uses less digits than its factorization.
1031525042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45480.
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 1031525042 is about 32117.3635592961. The cubic root of 1031525042 is about 1010.3998162211.
Adding to 1031525042 its reverse (2405251301), we get a palindrome (3436776343).
The spelling of 1031525042 in words is "one billion, thirty-one million, five hundred twenty-five thousand, forty-two".
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