Base | Representation |
---|---|
bin | 101101110110011… |
… | …010101111100111 |
3 | 1222121110102221211 |
4 | 231312122233213 |
5 | 3033411140124 |
6 | 204155252251 |
7 | 25030301221 |
oct | 5566325747 |
9 | 1877412854 |
10 | 769240039 |
11 | 365241477 |
12 | 19574a087 |
13 | c34a3029 |
14 | 7423d411 |
15 | 477ece94 |
hex | 2dd9abe7 |
769240039 has 8 divisors (see below), whose sum is σ = 789400080. Its totient is φ = 749289216.
The previous prime is 769240019. The next prime is 769240049. The reversal of 769240039 is 930042967.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 769240039 - 25 = 769240007 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 769239983 and 769240010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (769240019) 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, 44842 + ... + 59575.
It is an arithmetic number, because the mean of its divisors is an integer number (98675010).
Almost surely, 2769240039 is an apocalyptic number.
769240039 is a deficient number, since it is larger than the sum of its proper divisors (20160041).
769240039 is a wasteful number, since it uses less digits than its factorization.
769240039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104609.
The product of its (nonzero) digits is 81648, while the sum is 40.
The square root of 769240039 is about 27735.1769238994. The cubic root of 769240039 is about 916.2640075855.
The spelling of 769240039 in words is "seven hundred sixty-nine million, two hundred forty thousand, thirty-nine".
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