Base | Representation |
---|---|
bin | 1000001110110… |
… | …00101100101111 |
3 | 11210220211222200 |
4 | 10013120230233 |
5 | 120133420124 |
6 | 10503512543 |
7 | 1465605330 |
oct | 407305457 |
9 | 153824880 |
10 | 69045039 |
11 | 35a79618 |
12 | 1b158753 |
13 | 113c5c6b |
14 | 9254287 |
15 | 60dcbc9 |
hex | 41d8b2f |
69045039 has 24 divisors (see below), whose sum is σ = 114196992. Its totient is φ = 39378960.
The previous prime is 69044977. The next prime is 69045059. The reversal of 69045039 is 93054096.
It is not a de Polignac number, because 69045039 - 28 = 69044783 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 69044994 and 69045012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69045059) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64422 + ... + 65484.
It is an arithmetic number, because the mean of its divisors is an integer number (4758208).
Almost surely, 269045039 is an apocalyptic number.
69045039 is a deficient number, since it is larger than the sum of its proper divisors (45151953).
69045039 is a wasteful number, since it uses less digits than its factorization.
69045039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2107 (or 2104 counting only the distinct ones).
The product of its (nonzero) digits is 29160, while the sum is 36.
The square root of 69045039 is about 8309.3344498823. The cubic root of 69045039 is about 410.2458153127.
The spelling of 69045039 in words is "sixty-nine million, forty-five thousand, thirty-nine".
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