Base | Representation |
---|---|
bin | 110011111001110… |
… | …101001011110101 |
3 | 2020200120010101100 |
4 | 303321311023311 |
5 | 3240411014234 |
6 | 222224120313 |
7 | 30402442611 |
oct | 6371651365 |
9 | 2220503340 |
10 | 870798069 |
11 | 4075a7529 |
12 | 203766099 |
13 | 10b540a3b |
14 | 83918341 |
15 | 516ae399 |
hex | 33e752f5 |
870798069 has 12 divisors (see below), whose sum is σ = 1272974976. Its totient is φ = 573537192.
The previous prime is 870798053. The next prime is 870798079. The reversal of 870798069 is 960897078.
It is not a de Polignac number, because 870798069 - 24 = 870798053 is a prime.
It is a super-2 number, since 2×8707980692 = 1516578553948257522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (870798079) 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, 582117 + ... + 583610.
It is an arithmetic number, because the mean of its divisors is an integer number (106081248).
Almost surely, 2870798069 is an apocalyptic number.
It is an amenable number.
870798069 is a deficient number, since it is larger than the sum of its proper divisors (402176907).
870798069 is a wasteful number, since it uses less digits than its factorization.
870798069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1165816 (or 1165813 counting only the distinct ones).
The product of its (nonzero) digits is 1524096, while the sum is 54.
The square root of 870798069 is about 29509.2878429826. The cubic root of 870798069 is about 954.9320854822.
Subtracting 870798069 from its reverse (960897078), we obtain a palindrome (90099009).
The spelling of 870798069 in words is "eight hundred seventy million, seven hundred ninety-eight thousand, sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •