Base | Representation |
---|---|
bin | 1000001110110… |
… | …01011011101000 |
3 | 11210221000002211 |
4 | 10013121123220 |
5 | 120134014130 |
6 | 10503534504 |
7 | 1465620145 |
oct | 407313350 |
9 | 153830084 |
10 | 69048040 |
11 | 35a808a6 |
12 | 1b15a434 |
13 | 113c7439 |
14 | 92553cc |
15 | 60dda2a |
hex | 41d96e8 |
69048040 has 16 divisors (see below), whose sum is σ = 155358180. Its totient is φ = 27619200.
The previous prime is 69048037. The next prime is 69048041. The reversal of 69048040 is 4084096.
It can be written as a sum of positive squares in 2 ways, for example, as 64545156 + 4502884 = 8034^2 + 2122^2 .
It is a junction number, because it is equal to n+sod(n) for n = 69047993 and 69048011.
It is not an unprimeable number, because it can be changed into a prime (69048041) 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, 863061 + ... + 863140.
Almost surely, 269048040 is an apocalyptic number.
It is an amenable number.
69048040 is an abundant number, since it is smaller than the sum of its proper divisors (86310140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69048040 is a wasteful number, since it uses less digits than its factorization.
69048040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1726212 (or 1726208 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 31.
The square root of 69048040 is about 8309.5150279664. The cubic root of 69048040 is about 410.2517589203.
The spelling of 69048040 in words is "sixty-nine million, forty-eight thousand, forty".
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