Base | Representation |
---|---|
bin | 110001001011011… |
… | …010011010101001 |
3 | 2010111112011122000 |
4 | 301023122122221 |
5 | 3142204402434 |
6 | 213512121213 |
7 | 26306011356 |
oct | 6113323251 |
9 | 2114464560 |
10 | 825075369 |
11 | 393808378 |
12 | 1b0396209 |
13 | 101c224a1 |
14 | 7b81562d |
15 | 4c67bb99 |
hex | 312da6a9 |
825075369 has 8 divisors (see below), whose sum is σ = 1222333920. Its totient is φ = 550050228.
The previous prime is 825075367. The next prime is 825075371. The reversal of 825075369 is 963570528.
It is a happy number.
825075369 is a `hidden beast` number, since 82 + 507 + 5 + 3 + 69 = 666.
825075369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (825075367) and next prime (825075371).
It is not a de Polignac number, because 825075369 - 21 = 825075367 is a prime.
It is a super-2 number, since 2×8250753692 = 1361498729060972322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (825075367) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15279147 + ... + 15279200.
It is an arithmetic number, because the mean of its divisors is an integer number (152791740).
Almost surely, 2825075369 is an apocalyptic number.
It is an amenable number.
825075369 is a deficient number, since it is larger than the sum of its proper divisors (397258551).
825075369 is a wasteful number, since it uses less digits than its factorization.
825075369 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30558356 (or 30558350 counting only the distinct ones).
The product of its (nonzero) digits is 453600, while the sum is 45.
The square root of 825075369 is about 28724.1252086117. The cubic root of 825075369 is about 937.9172875150.
The spelling of 825075369 in words is "eight hundred twenty-five million, seventy-five thousand, three hundred sixty-nine".
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