Base | Representation |
---|---|
bin | 100110010011000… |
… | …0001010101001101 |
3 | 10022120000120002112 |
4 | 1030212001111031 |
5 | 10112432112331 |
6 | 331302433405 |
7 | 43562422502 |
oct | 11446012515 |
9 | 3276016075 |
10 | 1285035341 |
11 | 5aa407087 |
12 | 2ba432865 |
13 | 1762c8755 |
14 | c29474a9 |
15 | 77c3632b |
hex | 4c98154d |
1285035341 has 4 divisors (see below), whose sum is σ = 1352668800. Its totient is φ = 1217401884.
The previous prime is 1285035337. The next prime is 1285035347. The reversal of 1285035341 is 1435305821.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1285035341 - 22 = 1285035337 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1285035298 and 1285035307.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1285035347) 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 3 ways as a sum of consecutive naturals, for example, 33816701 + ... + 33816738.
It is an arithmetic number, because the mean of its divisors is an integer number (338167200).
Almost surely, 21285035341 is an apocalyptic number.
It is an amenable number.
1285035341 is a deficient number, since it is larger than the sum of its proper divisors (67633459).
1285035341 is an equidigital number, since it uses as much as digits as its factorization.
1285035341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67633458.
The product of its (nonzero) digits is 14400, while the sum is 32.
The square root of 1285035341 is about 35847.3895981283. The cubic root of 1285035341 is about 1087.1889356684.
The spelling of 1285035341 in words is "one billion, two hundred eighty-five million, thirty-five thousand, three hundred forty-one".
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